Recent questions tagged reactjs

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Can you explain memory leaks?

Mar 5, 2025 in Angular by Nidhi
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How do you deal with errors in Observables?

Mar 3, 2025 in Angular by Nidhi
 • 16,260 points • 801 views
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When to use switchMap vs concatMap?

Mar 3, 2025 in Angular by Nidhi
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What type of operation do RxJS operators allow for observables?

Mar 3, 2025 in Angular by Nidhi
 • 16,260 points • 892 views
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What’s the difference between Observables and Promises?

Mar 3, 2025 in Angular by Nidhi
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How do Observables improve API call handling in Angular?

Mar 3, 2025 in Angular by Nidhi
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How to convert a Fetch API response to RxJS Observable?

Feb 26, 2025 in Node-js by Nidhi
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How do I use pointer-events to react only to scroll events, or is there a better approach?

Feb 22, 2025 in Node-js by Nidhi
 • 16,260 points • 959 views
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What methods are available to force a component to re-render when using React hooks?

Feb 22, 2025 in Node-js by Nidhi
 • 16,260 points • 2,301 views
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What is the best way to handle e and props in React TypeScript?

Feb 22, 2025 in Node-js by Nidhi
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Can states be shared between components by using the useState() hook in React?

Feb 22, 2025 in Node-js by Nidhi
 • 16,260 points • 799 views
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What approaches can be used to test state changes in React?

Feb 22, 2025 in Node-js by Nidhi
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Does React free up memory used by states after they're no longer needed?

Feb 22, 2025 in Node-js by Nidhi
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How to traverse react tree recursively and get states of the react elements?

Feb 21, 2025 in Node-js by Nidhi
 • 16,260 points • 910 views
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How React Virtual DOM works when I set both the changed states and the unchanged states?

Feb 21, 2025 in Node-js by Nidhi
 • 16,260 points • 833 views
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How to convert component with many states to react functions?

Feb 21, 2025 in Node-js by Nidhi
 • 16,260 points • 854 views
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Can you force a React component to rerender without calling setState?

Feb 21, 2025 in Node-js by Nidhi
 • 16,260 points • 911 views
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Does React keep the order for state updates?

Feb 21, 2025 in Node-js by Nidhi
 • 16,260 points • 1,105 views
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How to access custom attributes from event object in React?

Feb 21, 2025 in Node-js by Nidhi
 • 16,260 points • 931 views
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How can I perform a debounce?

Feb 21, 2025 in Node-js by Nidhi
 • 16,260 points • 590 views
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How do I bind react events from a mixin?

Feb 21, 2025 in Angular by Nidhi
 • 16,260 points • 774 views
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How can I ensure only one component remains highlighted at a time in Elm 0.17?

Feb 21, 2025 in Web Development by Nidhi
 • 16,260 points • 692 views
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What is the Babel plugin for transforming React JSX?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 1,349 views
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How do I apply HTML5 Validation with React?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 830 views
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How can I use JSX as the content for an InfoWindow in the Google Maps API?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 1,176 views
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What is TypeScript, and why is it preferred over JavaScript?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 987 views
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How can objects in an MVC Web API service and its apps be decoupled?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 1,320 views
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Who's responsible for the next View?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 919 views
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Should you use MVC 2 or stick with MVC 1 for your project?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 1,156 views
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Why does React's useState hook use const instead of let?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 2,378 views
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How can I use a callback function with the useState hook in React?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 1,472 views
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Why does the useEffect hook trigger twice in React?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 1,472 views
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How can a:hover be implemented using inline CSS styles in React?

Feb 12, 2025 in CSS by Nidhi
 • 16,260 points • 3,470 views
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How is a single TypeScript Interface object passed as a prop to a React child component?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 915 views
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How can props be destructured in Vue similarly to {...props} in React?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 1,169 views
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How are default props declared in a React functional component?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 1,916 views
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What are the ways to update the state of a parent component in React?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 1,231 views
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What distinguishes the loadingIndicatorSource prop from the defaultSource prop in React Native?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 950 views
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How can updated props be received in React JS?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 842 views
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How can props be passed using Link in React Router?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 2,076 views
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What is the method to override props in a React Native library?

Feb 12, 2025 in Node-js by Nidhi
 • 16,260 points • 1,249 views
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Does ListView inherently support lazy loading?

Feb 10, 2025 in JQuery by Ashutosh
• 33,370 points • 1,225 views
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What is Jest and react testing library?

Dec 30, 2024 in Node-js by Ashutosh
• 33,370 points • 849 views
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How to Redirect to the Main Page in React JS When Refreshing Other Pages?

Dec 30, 2024 in Node-js by Ashutosh
• 33,370 points • 848 views
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How to import popper.js in React?

Dec 19, 2024 in Node-js by Ashutosh
• 33,370 points • 1,095 views
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How to add popper.js in React?

Dec 19, 2024 in Node-js by Ashutosh
• 33,370 points • 1,437 views
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How to do custom pagination on react ?

Dec 19, 2024 in Node-js by Ashutosh
• 33,370 points • 887 views
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What is the "RESTful" way of adding non-CRUD operations to a RESTful service?

Dec 19, 2024 in PHP by Ashutosh
• 33,370 points • 1,267 views
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Why is Keycloak-Angular 26 Unable to Find Keycloak-JS

Dec 19, 2024 in Web Development by Ashutosh
• 33,370 points • 2,866 views
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How to Handle Jest Unit Testing for 'ɵcmp' in a React-in-Angular Hybrid App?

Dec 19, 2024 in Node-js by Ashutosh
• 33,370 points • 1,306 views
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