Technical Question Bank · Peer-Reviewed
Search and filter frequently asked interview questions across technical, programming, and behavioral domains. Tailor your interview preparation by difficulty for freshers or experienced developers (79 available).
`mapStateToProps()` is a utility which helps your component get updated state (which is updated by some other components): ```javascript const mapStateToProps = (state) =...
There are a few ways of binding _action creators_ to `dispatch()` in `mapDispatchToProps()`. Below are the possible options: ```javascript const mapDispatchToProps = (dis...
If the `ownProps` parameter is specified, React Redux will pass the props that were passed to the component into your _connect_ functions. So, if you use a connected comp...
If you need to access properties defined globally on `Vue.prototype` then you can access them on parent, ```javascript {{ parent.$someProperty }} ``` ****
_React Developer Tools_ let you inspect the component hierarchy, including component props and state. It exists both as a browser extension (for Chrome and Firefox), and ...
The concept of render hijacking is the ability to control what a component will output from another component. It means that you decorate your component by wrapping it in...
We can pass `numbers` as `props` to React component using curly braces `{}` where as `strings` in double quotes `""` or single quotes `''` ```jsx import React from "react...
Class components can be restricted from re-rendering when their input props are the same using **PureComponent or shouldComponentUpdate**. Now you can do the same with fu...
You can use object spread operator syntax in order to combine mapState helper(which returns an object) with other local computed properties. This way it simplify merging ...
You can access values of store's getter object(store.getters) as properties. This is known as property style access. For example, you can access todo's status as a proper...
HireXTech uses essential storage to remember your study preferences and third-party advertising cookies via Google AdSense in compliance with GDPR. You can choose to enable essential cookies only or accept all cookies. Read our Privacy Policy.