React debounce api call We schedule a setTimout to execute the function after a certain delay If the function is not called again during that period, clearTimeout won't end the execution of timeout and after delay, func executes. /Search/context" import { apiCallMethod} from ". /api" const Search = () => { const context = useContext(searchContext) const [results, setResults] = useState(null) // context. Debounce Search in React Sep 12, 2020 · The wait period can be adjusted easily by passing in a different value to the useDebouncedCallback call. We're also returning a function that clears the timeout if the searchTerm changes before the timeout is executed. , In this article, we will look into implementing the debounce functionality in JavaScript and later convert it into a reusable hook in React. Nov 12, 2024 · When building interactive applications, we often need to control how frequently a function executes, especially in cases where an action (like a search or API call) is triggered each time a user Aug 24, 2024 · To summarize, because of the difference between API latency and debounce wait, it's fundamentally impossible to use debounce to prevent duplicate requests completely. Aug 22, 2025 · With throttling, even if you scroll like crazy, the function will only execute every, say, 100 milliseconds. So watch full video and do like and subscribe. Learn how to streamline user interaction with this guide. Here’s how you can implement debouncing for a search input in React: Sep 26, 2024 · By debouncing the search function, we ensure that the API call only occurs once the user has stopped typing for a certain period. sagaMonitor : SagaMonitor - If a Saga Monitor is provided, the middleware will deliver monitoring events to the Jul 8, 2021 · Recently I was applying for a react developer position at some company. In React apps, debouncing helps keep components efficient and responsive by limiting re-renders, API calls Feb 20, 2024 · Overall, the ability to abort API calls gives clients more control over their interactions with servers, improving performance, user experience, and resource utilization. Start using use-debounce in your project by running `npm i use-debounce`. So it seems like there is an instance after invoked. In this comprehensive guide, you’ll learn foundations through advanced applications of debounce and throttle, including: Real-world use cases and visual diagrams Fixing issues with Mar 27, 2020 · I'd like to see this, since react-query is serializing the key it's doing all the heavy lifting there, and could then debounce the result of the key (which devs have no hook into that result). The problem we are trying to solve is that we want to make an API call to search for a Mar 9, 2019 · I'm using react-select loading the results from an api and debouncing the queries with lodash. If you're facing a similar issue in your own projects, consider using debounce to handle multiple API calls and reduce the load on your server. See full list on codingdeft. In this article, we would be taking a look at the right implementation of debounce in a React App. Sep 26, 2024 · The useSWRWithDebounce hook will allow you to debounce API calls based on URL changes or user actions, helping to prevent excessive requests while still leveraging SWR's caching and revalidation. Sep 28, 2024 · Breakdown of Additional Features Debouncing: The useEffect hook implements a debounce technique with a 300ms delay. We will also cancel our debounced function when the component unmounts or dependencies change. 1. useEffect (Debounce): When query changes, a timeout is set for 500ms. It will make the API calls more efficient Hello guys ,in this video we are going to discuss how we can search api calls using debounce . state. You typically apply it to improve performance and reduce unnecessary function calls, especially during user input or window resizing. I would say that's cool for now but if it were to scale I'd implement search on the the rest API and then limit the amount of queries to the API with a debounce. The Problem Imagine an input field where users can adjust settings or preferences. How do you perform debounce in React? I want to debounce the handleOnChange function. props. We will use the debounce function Aug 26, 2021 · Debounce your Search | React Input Optimization Debouncing is a optimization technique to limit the amount of times a task occurs. React Query’s useQuery hook makes it easy to manage the state and lifecycle of API requests, and by combining it with debouncing, you can create a powerful and efficient data fetching solution. Dec 22, 2024 · Consider a search bar in an app where every keystroke triggers an API call. Jul 1, 2025 · 🔄 Debouncing, Throttling & Caching in React — Mastering API Efficiency Like a Pro 🧠⚡ APIs are powerful, but calling them too often can slow down your app or hammer your backend. When to use each one? As one of the examples, we can use debounce to control the times an API call Jul 8, 2025 · Conclusion By implementing proper debouncing in your React applications, you’ll create a more efficient, responsive user experience while reducing unnecessary server load and potential costs. Because for every character typed in Oct 20, 2021 · Conclusion Effectively handling multiple clicks on the same button in a React application is crucial to optimizing performance and resource usage. apply(context, args); }, delay); }; Jul 23, 2025 · In this article, we'll explore how to implement debouncing and throttling in React using hooks, with easy-to-understand examples. js applications by leveraging the useMemo hook to optimize API calls. Feb 24, 2023 · I think rather than implementing debounce through useEffect, it would be better to implement the debounce logic as a function. Jul 4, 2025 · Debounce in React: How to Stop Wasting API Calls with Every Keystroke If you’re building a search box or live input field in React, you’ve probably seen it: every keystroke fires a Jun 14, 2022 · So, to prevent this, we use something called a debounce function. What is debounce and throttle, how to use them in React properly, how to avoid breaking them when state and re-renders are involved. When working in React, properly implementing them takes awareness around closures and component lifecycles. Dec 3, 2019 · Debounce is weird for that it bases on closure which may leads many strange things. Dec 22, 2021 · How to install and use the debounce function from Lodash in a React and TypeScript app Sep 24, 2023 · In this post, I’ll explore how to enhance the performance of React. get method when we type any numeric character in the input box. /utils"; import searchContext from ". Canceling Previous Requests: The logic to cancel any existing request is implemented before initiating a new one, which ensures users only receive the latest search result. Feb 14, 2022 · I wrote an article about optimising api calls in react but I recently encountered a scenario where just cancelling the api won’t work because this time the issues were at the server even though you cancel the request it still gets processed by the server. In this article, we explore how to use react-select to load options from an API with debounce (with Typescript support) Jun 11, 2024 · Learn how to use debounce with useQuery in React Query for optimized API requests. Whether you choose to create your own debounce implementation or use an established library, the key is to ensure your debounce function persists between renders and properly handles cleanup to prevent Oct 19, 2022 · By using debounce, you can optimize API calls and improve the performance of your React application. In this tutorial Apr 21, 2025 · Creating a smooth, performant search experience in React requires avoiding excessive re-renders and API calls. It is used to prevent the function from being called too frequently, which can cause performance issues or unwanted behavior. Oct 30, 2018 · In my case, i am calling an api on change event so i wanted to call it once the user enter the text instead of calling api on each change. In React, debouncing can help improve performance and reduce Nov 29, 2023 · In the case where we want to build a React search box, or autocomplete text input, a debounce function comes very handy as we don't want to have the API called for each keystroke of the user. Now, this might have been useful for auto-search completion, but to me, it was just a waste of resources. In React, debouncing can be easily implemented using the setTimeout() function. Conclusion Debouncing is a useful technique for improving the performance and responsiveness of applications. js files so I'm trying to do this where my API call is not inside the react component. Jun 28, 2021 · Implement Debouncing in React in 3 Different WaysDebouncing is used for optimizing the performance of a web app. Apr 17, 2023 · I am using React Query to fetch data from an API in a React app. Mar 13, 2023 · Debouncing is a programming technique used to handle rapid and repeated events such as user input, network requests, and API calls. What is Debouncing? Jun 9, 2023 · Whether you need to debounce input fields, search boxes, or other interactive elements, the steps outlined in this blog post provide a solid foundation for incorporating debouncing into your React. The debounce function ensures that expensive operations like API calls are executed only when the user has paused typing, reducing unnecessary computations and network requests. Sep 23, 2020 · Notice we are passing the searchQuery into our debounce hook and passing the result of the debounce to our React Query hook and responding to changes in data or fetching status. Example - If I type abcd in less than 2 seconds (delay) my Jan 1, 2018 · I don't want to fire requests as long as the user is typing. Dec 1, 2017 · I have a search input, to make API calls on the fly. To not overload the server i would like to minimize the amount of calls to the API. The issue I'm having is that my debounce doesn't seem to be working as when I ty May 20, 2022 · One of the solutions to this is to use debounce/throttle, and a Lodash provides us with the debounce function. A way to solve this problem is to debounce the user input which is what this article is gonna explore. By limiting how often a function gets invoked, debouncing promotes stability and prevents issues like too many API requests. Nov 5, 2021 · I want to validate user input asynchronously. Without debouncing, each character typed will send a new request, causing unnecessary network calls and performance issues. Aug 30, 2023 · With debounce Before delving into the technical details, let’s explore why implementing debouncing is crucial when developing interactive features like county selection within a React Jul 23, 2025 · Implementing Debouncing and Throttling with React Hooks: Let's consider a scenario where we have a search input field in a React component that fetches data from the JSON Placeholder API as the user types. debounce Apr 10, 2025 · In this article, you will learn how to implement address autocomplete in your React applications using the Google Maps API, improve user experience with dynamic suggestions, and customize components to fit your specific design and functionality needs. React Debounce Search Input API Call useDebounce React Hook Lesson With Certificate For Programming Courses Jun 19, 2022 · I'm trying to call API using debounce but in this case, API calling for every character, for example, I type hello in search then it calls for he, hel, hell, and hello but I want only for final word SWR is a React Hooks library for data fetching. Control API requests and expensive operations with TypeScript support for Next. We will learn about debouncing by implementing it on an input box with an onChange event. Jul 28, 2025 · By implementing debouncing for API calls in React, you can significantly reduce unnecessary server load and improve the responsiveness of your application. current; This API calls an asynchronous function that sets react State and calls an API. Why make 8 requests when I just need 1? Keeping that in mind, I got to work. Mar 19, 2024 · In this article, we will look at how to implement debounce in React for efficient delayed search queries. While both debouncing and aborting API calls can address similar concerns related to user-initiated actions, they serve slightly different purposes: Sep 26, 2024 · By debouncing the search function, we ensure that the API call only occurs once the user has stopped typing for a certain period. React Debounce: Syntax, Usage, and Examples React debounce is a technique used to control how often a function runs in response to fast-changing events. We'll use debouncing to delay the API request until the user pauses typing and throttling to limit the frequency of API requests. Jun 9, 2025 · We’ll debounce this state to avoid triggering API calls on every keystroke. Remember to fine-tune the debounce delay to strike the right balance between responsiveness and performance. You can activate the React Query dev tools and see the resultant queries run in real time (pretty sweet!). Jul 15, 2020 · July 15, 2020 / #hooks How to Use Debounce and Throttle in React and Abstract them into Hooks By Divyanshu Maithani Hooks are a brilliant addition to React. Includes code examples and best practices Sep 17, 2023 · I am trying to implement debounce in my search input in React. With limited knowledge of React at hand and a fair share of trial and error, I was able to Feb 8, 2022 · Debounce not working as expected react context, api call Asked by Kiana Dixon on 2022-02-08 Jan 2, 2023 · Debounce is a technique used to limit the frequency of function calls in Next. They do, however, require a different mental model, especially for first-timers. We'll also incorporate the JSON Placeholder API to demonstrate real-world usage scenarios. Mar 11, 2023 · We're also using the useEffect hook to debounce the API call. function debounce (fn, delay) { var time May 1, 2023 · Deep dive into debounce and throttle in React. And everytime you typed, the setState got called which leads that react renders your component and produces a debounced function. debounce and axios in react. Oct 20, 2022 · Here is a very basic search by title query on a public API. Aug 19, 2024 · Debouncing is an essential performance technique in React applications. One common technique to handle this is using debounce and throttle functions. Oct 24, 2024 · In the context of React, debouncing can be elegantly handled using hooks, which we will delve into in the following sections. Dec 3, 2024 · Second search implementation code sample using debounce by Yasir Gaji Key Benefits of Debounce Reduced API Calls: Only search after a 500ms pause Improved Performance: Less strain on backend resources May 23, 2023 · In this article, we will look at how to create a custom debounce hook with React. By either disabling the button during the request or employing a debounce mechanism, you can prevent redundant API calls and provide a smoother user experience. By incorporating React Hook Form and lodash's debounce function, we've created a responsive and efficient search feature that prevents excessive requests without compromising user experience. Debounce in React Let’s explore a simple React code snippet which implements Debounce. These Apr 21, 2025 · Creating a smooth, performant search experience in React requires avoiding excessive re-renders and API calls. This prevents performance issues that might arise from excessively frequent function calls, especially in scenarios like scrolling or mouse movement tracking. I have a form with username input and I am trying to verify if the username is in use or not in a debounce function. In this comprehensive guide, we‘ll learn: Core concepts behind debounce and throttle Implementing debounce/throttle logic in React Abstracting into reusable custom Nov 9, 2024 · Debouncing and throttling are essential techniques for controlling function invocation in JavaScript. Implementing Debounce in React for Efficient Delayed Search Queries In this article, we will look at how to implement debounce in React for efficient delayed search queries. This method is particularly useful in scenarios where events fire frequently, such as resizing, scrolling, or input events, helping prevent unnecessary or excessive function calls that can affect performance How _. Here’s how you can implement debouncing for a search input in React: Oct 2, 2024 · How it works: State: query stores the immediate input value, and debouncedQuery stores the value after the debounce period. In the below example, we are simply calling an API using the axios. Step-by-step guide to improve your application's performance. Jan 24, 2025 · Use throttling and debounce in React to optimize API searches, reduce server load, and improve user experience. Inside the useEffect hook, we're setting a timeout of 500 milliseconds. Happy coding! Jan 8, 2024 · In this article, we will look at how to implement debounce in React for efficient delayed search queries. handleOnChange, 200), but it doesn't work. Aug 14, 2024 · Issue #979 When dealing with user input, such as in an autocomplete component, it’s common to implement debouncing to reduce the number of API calls and improve the user experience. It will make the API calls more efficient and reduce the load on the server. React, a popular library for building user Description React Debounce Search Input API Call | useDebounce React Hook 825Likes 26,731Views 2023Feb 10 Aug 16, 2023 · Discover how to optimize your web application's performance by learning the essential techniques for canceling API calls in both React and plain JavaScript. Normally in such scenario we apply debouncing or throttling to prevent extra API calls but the issue is you have to pick a fixed time Nov 12, 2024 · When building interactive applications, we often need to control how frequently a function executes, especially in cases where an action (like a search or API call) is triggered each time a user types into an input. searchInput is the value of the input box provided by Mar 3, 2024 · By using debouncing, you can significantly reduce the number of unnecessary function calls and API requests, improving the performance and responsiveness of your application. So instead of making an API call on every keystroke you can specify an amount of time to wait before making the request with setTimeout. Aug 26, 2023 · To demonstrate, I will use React with MUI with the Autocomplete (Select dropdown) with lazy loading feature and lodash debounce function to control the API trigger. I'd like to implement debounce to reduce the amount of server calls. Find out more about creating custom hooks here. By delaying or limiting function execution, we allow React to batch state changes and avoid unnecessary re-renders. I tried with debounce(this. What is Debouncing? Debouncing refers to the practice of Jul 13, 2024 · We’re going to explore how to make your app smarter and more efficient by implementing debouncing and request cancelling. Sep 14, 2025 · Stop hammering your backend. In the process, I had to Tagged with debounce, lodash, javascript. As in your case, you typed three chars. js. If we're making an API call to the server for every character typed in the input search box and the data returned by API contains a lot of data, let's say 500 or 1000 user records then it will slow down your application. If you debounce a suggestion API request to call function at most once every 300ms but the request sometimes takes 1000ms, you still need to ignore some of the requests previously made. Your answer is the perfect solution. Feb 11, 2021 · React: How to prevent unnecessary api calls Using lodash-debounce or axios-cancellation in functional component Have you an experience like this when you send an api call with input element? Jul 24, 2019 · onChange is a function which contains API calls, so we have wrapped it with debounce and got a debounceOnChange function which will be called in debounced fashion with a time delay of 400ms. Every debounced API Reference Middleware API createSagaMiddleware(options) Creates a Redux middleware and connects the Sagas to the Redux Store options: Object - A list of options to pass to the middleware. React Mar 23, 2023 · 2 I'm working on a TypeScript-React application that needs to make API calls based on user input. Jul 8, 2024 · How to Debounce/Throttle a Callback with React Hooks In modern web development, building responsive and performant user interfaces is paramount. It is done by limiting the rate of execution of a particular function (also known as rate limiting). Hooks provides the logic for Mar 16, 2022 · In today's challenge, we will look at implementing autocomplete functionality in React and how to improve the performance of this approach by using the debounce function and the useMemo hook. Tagged with debounce, react, performance, javascript. Jul 10, 2023 · You want to call the api when users enters, but the tricky part is an average user can type 10–15 characters in 5 seconds , resulting in calling api multiple times although the result of the Jan 5, 2024 · In this article, we will look at how to implement debounce in React for efficient delayed search queries. This technique delays the execution of API requests until the user has paused interacting with the pagination control. Currently supported options are: context: Object - initial value of the saga's context. Debouncing is an essential performance optimization technique in React that ensures actions only occur once the user has paused their input. Debounce hook for react. Every debounced Jan 18, 2022 · Asynchronous Autocomplete Search with React, axios, and lodash debounce. useEffect (API call): Once the debouncedQuery is Nov 13, 2023 · Consider a search bar where users input search queries. Feb 13, 2019 · Learn how to effectively implement throttle or debounce techniques in React Hooks to optimize performance and improve user experience. Debouncing is a technique that delays function execution until a specified delay has passed. g. It’s especially powerful when paired with APIs or expensive computations. There are 1318 other projects in the npm registry using use-debounce. Discover how to optimize function execution and reduce unnecessary operations using the useDebounce hook. . /. , onChange events). In this comprehensive guide, we’ll explore what debouncing is, why it matters in React, and how to properly implement it using hooks. I’ll be using a function to call the Rick and Morty REST API to return all the locations from the show. Apr 3, 2020 · First time debounce function is called, timeout is undefined so clearTimeout does nothing. At this point, every time the user types, searchQuery updates and logs to the console. In this guide, you'll learn how to implement a fully debounced search bar using React’s built-in hooks—no external libraries required. Using debounce is one of the techniques you should learn to speed up your apps by limiting function executing on user-generated input (e. Implement debouncing in React to enhance performance and prevent unwanted function calls. Jul 22, 2025 · I'm trying to implement a debounce function in a React component to prevent multiple API calls while the user types in a search input field. If the user stops typing, the debouncedQuery is updated after 500ms. fetchRoutes (this. No callback hell of lodash/underscore Handle concurrent requests nicely (only use last request's response) Typescript support (native and well typed) React in mind, but can be used in other contexts (no dependency Denouncing still doesn’t help if the request takes longer to complete that your denounce period. _debouncedSearch () { debounce (this. To decrease API calls I'd like to debounce API calls with . Rapid typing can lead to an excess of unnecessary requests … In the blog post, we'll create a useDebounce custom hook to delay function calls with React's useCallback and a little time travelling magic. It is one of the most popular libraries because of its easy-to-use API. I want to implement debounce for better performance, but I'm having trouble getting it to work with useQuery. debounce: Dec 17, 2022 · React Query has effectively resolved numerous issues related to handling data from network requests, making the process of fetching, caching, and synchronizing data much easier. Lodash’s debounce function delays invoking a function passed into it; It can help performance in some situations. What is debouncing? Implementing Debounce in React for Efficient Delayed Search Queries In this article, we will look at how to implement debounce in React for efficient delayed search queries. Whether you're working on a large-scale web application or a small project Aug 11, 2022 · const autoSaveThing = useRef(debounce(() => { callApiToSaveToDatabase(); }, 3000)). The below code is causing the delay but its firing the same number of times. 0. To achieve this, I'd like to implement both debounce and throttle techniques. h Sep 27, 2024 · In this article, we'll build a custom React hook that captures parallel API update calls by merging payloads and debouncing the API call. Latest version: 10. SWR first returns the data from cache (stale), then sends the fetch request (revalidate), and finally comes with the up-to-date data again. React is a JavaScript library used for creating interactive web frontend applications. debounce () method is a utility function that delays the execution of a given function until a specified wait time has passed since the last invocation. Hopefully this is useful for anyone trying to figure out how to debounce with react. The custom useDebounce hook provides a flexible and reusable solution for debouncing any value or function in your React components. Creating the Search Bar I’ll just have a single component called App that includes a form tag React useDebounceCallback hook for debouncing function calls. This means that the API call will be made 500 milliseconds after the user stops typing. Local Caching Caching previously retrieved data helps to display items quickly without additional API calls by storing the results locally. With debouncing, you Jan 27, 2023 · How to debounce and throttle callbacks in React using useCallback() and useMemo() hooks. In this blog, I’ll walk through the process of building a React Native component that fetches data and utilizes debouncing to handle user input efficiently. Trying to showcase how to debounce API calls using _. If you’ve ever implemented a search feature in React that … Jan 26, 2024 · This prevents multiple unnecessary API calls and ensures efficiency. Oct 21, 2024 · Here, we will be adding a delay to api calls when user searches in the search bar to ensure we make less number of api calls making our UI efficient & responsive. The problem we are trying to solve is that we want to make an API call to search for a May 22, 2023 · In React, optimizing performance is a crucial consideration when dealing with frequent updates and events. The Challenge Basically, we want to use … Jan 9, 2025 · The Lodash _. To implement debounce in Next. Without debouncing, every keystroke triggers an API call, leading to unnecessary requests and potential overloading. Oct 1, 2020 · In this article, we will see a very powerful and must-use technique to improve the performance of search functionality in the application. Mar 27, 2020 · I'd like to see this, since react-query is serializing the key it's doing all the heavy lifting there, and could then debounce the result of the key (which devs have no hook into that result). Each keystroke or adjustment could trigger an API call to save the new state. Jan 12, 2025 · In React Native, debouncing is especially useful for scenarios like search inputs, where API calls need to be minimized to avoid overloading the server or causing unnecessary delays. js projects. Nov 3, 2022 · If you're calling the search API for every input onChange event, not only would your app feel slow, it also fetches unnecessary data due to the repeated API calls. debounce: Jun 9, 2023 · Whether you need to debounce input fields, search boxes, or other interactive elements, the steps outlined in this blog post provide a solid foundation for incorporating debouncing into your React. Optimize API calls during user input with practical examples. This minimizes the frequency of API calls made during typing. This article shows you how to make smarter, fewer API calls in React with debounce and throttle. Dec 8, 2022 · An overview of debounce and various ways to implement debounced API calls within in a React app. Most recent versions of React provide the Hooks API, which lets us create frontend JavaScript apps with function components. Sep 14, 2024 · Debounce API Calls Using the debounce mechanism can help limit the frequency of API calls. My code should throttle requests so that when the user types quickly, it will fire one request with the latest input value instead of ma Sep 17, 2024 · Too many unnecessary API calls are made and also it's not guaranteed that those calls are gonna return in order, so the results might not even be for the last searched value. I tried with debounce (this. js, you can use the debounce function from the lodash library or create your own debounce function. Jul 10, 2025 · Learn how to debounce input events in JavaScript using setTimeout and requestAnimationFrame. com How do you perform debounce in React? I want to debounce the handleOnChange function. Nov 15, 2023 · These techniques are crucial for handling tasks like API calls, scrolling effects, etc. If the user types again before 500ms, the timeout is cleared, and a new one is set. In my actual app my API calls are under services. 6, last published: 2 months ago. Nov 24, 2023 · Conclusion Debouncing enhances the search functionality in React applications by optimizing API calls based on user input. They simplify a lot of logic that previously had to be split up into different lifecycles with class components. Playlist : React Debounce your async calls with React in mind. When we’ll type something inside this input box, on every keystroke an API call will be Jun 17, 2021 · import React, { useContext, useRef, useEffect, useState, useCallback } from "react" import { debounce } from ". UseEffect is executed when the states referenced by deps change. Here’s the debounce function I'm using: function debounc Delay the execution of function or state update with useDebounce. Nov 16, 2022 · In this article, we will write a custom debounce Hook in our React app that defers some number of seconds to process our passed value. It will make the API calls more efficient Feb 7, 2023 · Resources Find out more about React hooks in general in the official React Documentation here. Unlock the power of rate limiting in React to create more efficient and responsive user interfaces. Jul 27, 2023 · Taking a basic example, Typing useState in the search box would result in 8 total API calls, one after each keystroke. When I try to wrap my Dec 5, 2023 · Debounce-Optimizing API call in JS Consider a scenario where a search bar initiates a request for suggestions with each keystroke. So to achieve this, we have a feature in JavaScript called Debouncing. In React, this translates to limiting the re-rendering of your component. For example, to check if email already exists, and perform validation while the user typing. var timer = null; return function() { var context = this, args = arguments; clearTimeout(timer); timer = setTimeout(function() { fn. js apps. May 7, 2023 · Delaying API calls with debouncing not working in React Asked 2 years, 6 months ago Modified 2 years, 6 months ago Viewed 994 times Aug 19, 2024 · Debouncing and throttling are techniques in JavaScript that can help optimize performance and responsiveness. In other words, since it is a logic that can be missed if you only follow the execution flow, it is difficult to figure out which flow this useEffect was derived from when performing maintenance later Apr 25, 2024 · Why do we need debounce in the first place? Optimizing API Calls: Consider a scenario where a user is typing in a search bar. The problem we are trying to solve is that we want to make an API call to search for a user after the user has stopped typing for 1s (in real life, it would be more like 300ms). Closure means the function keeps the variables alive even if it returns. Here, we’ll create a custom useDebounce hook that will help manage these frequent calls by delaying the response to user input. Feb 22, 2023 · Debouncing an input is a technique used to improve web application performance and user experience. Jun 3, 2025 · Learn how to improve your React application's efficiency with effective use of debouncing and throttling techniques. So, instead of having something like this: useEffect(() => { doApiCall(query) }, [query]); We want to have something … Continue reading "How to add debounce to useEffect() in React" Learn how to use debouncing in React to handle fast input changes efficiently. Example: Below is an example of debounce and throttle input changes. In this post, we’ll walk through a basic React Aug 25, 2024 · How to implement custom debounce functions in React to optimize performance, reduce unnecessary operations, and enhance user experience. For example, let's say you have a function that fetches Oct 14, 2025 · Learn how to prevent unnecessary API requests in React by using debounce for fetch calls, with a custom useDebounce hook and practical… Jul 18, 2023 · Improve the performance of your React applications with simple rate limiting techniques. Optimize API calls, prevent excessive renders and improve UX. By leveraging the debounce method, developers can significantly improve the user experience by avoiding unnecessary renders and API calls, which might otherwise occur every time the user's input changes. Jul 29, 2023 · Conclusion: By implementing the debounce technique in ReactJS, you can optimize performance and create a more responsive user experience.