Q71. What is web storage?
Web storage is an API that provides a mechanism by which browsers can store key/value pairs locally within the user's browser, in a much more intuitive fashion than using...
Technical Question Bank · Peer-Reviewed
Job Interview Questions and Answers Directory
Search and filter frequently asked interview questions across technical, programming, and behavioral domains. Tailor your interview preparation by difficulty for freshers or experienced developers (1,100 available).
Active:
Tag: javascript ×
Q72. What are the advantages of React?
Below are the list of main advantages of React, 1. Increases the application's performance with _Virtual DOM_. 2. JSX makes code easy to read and write. 3. It renders bot...
Q73. What is a post message?
Post message is a method that enables cross-origin communication between Window objects.(i.e, between a page and a pop-up that it spawned, or between a page and an iframe...
Q74. What are the limitations of React?
Apart from the advantages, there are few limitations of React too, 1. React is just a view library, not a full framework. 2. There is a learning curve for beginners who a...
Q75. What is a Cookie?
A cookie is a piece of data that is stored on your computer to be accessed by your browser. Cookies are saved as key/value pairs. For example, you can create a cookie nam...
Q76. What are the recommended ways for static type checking?
**Modern Recommendation (2026):** **TypeScript** is the industry standard for type checking in React applications. While PropTypes (`React.PropTypes` moved to `prop-types...
Q77. Why do you need a Cookie?
Cookies are used to remember information about the user profile(such as username). It basically involves two steps, 1. When a user visits a web page, the user profile can...
Q78. What is the use of `react-dom` package?
The `react-dom` package provides _DOM-specific methods_ that can be used at the top level of your app. Most of the components are not required to use this module. Some of...
Q79. What are the options in a cookie?
There are few below options available for a cookie, 1. By default, the cookie is deleted when the browser is closed but you can change this behavior by setting expiry dat...
Q80. What is ReactDOMServer?
The `ReactDOMServer` object enables you to render components to static markup (typically used on node server). This object is mainly used for _server-side rendering_ (SSR...