Q
How can you optimize the performance of a jQuery-heavy application in a modern framework?

Answer & Solution

Answer: Option A
Solution:
Minimizing jQuery usage in favor of native framework features can optimize performance.
Related Questions on Average

In Vue.js, which lifecycle hook should you use to run jQuery code after the component mounts?

A). created

B). updated

C). mounted

D). destroyed

How do you declare jQuery globally in a Vue component?

A). import jQuery from 'jquery'

B). const jQuery = require('jquery')

C). declare var $: any;

D). import $ from 'jquery'

Which command correctly installs both jQuery and the types for jQuery in a TypeScript project?

A). npm install jquery @types/jquery

B). npm install jquery jquery-types

C). npm add jquery @types/jquery

D). npm install jquery types

Which method in jQuery is used to change the text content of a selected element?

A). .html()

B). .text()

C). .val()

D). .append()

How do you include jQuery in a Webpack configuration?

A). By using the HtmlWebpackPlugin

B). By using the ProvidePlugin

C). By using the HotModuleReplacementPlugin

D). By using the CleanWebpackPlugin

Which React hook is typically used to run jQuery code after a component mounts?

A). useState

B). useEffect

C). useReducer

D). useContext

What command is used to install jQuery via yarn?

A). yarn add jquery

B). yarn get jquery

C). yarn install jquery

D). yarn download jquery

Which jQuery method is used to hide an element?

A). .show()

B). .hide()

C). .toggle()

D). .fadeOut()

What is a common use case for integrating jQuery with React?

A). To manage state

B). To perform complex calculations

C). To use jQuery plugins

D). To handle API requests

In React, how do you ensure jQuery code runs only once after the component mounts?

A). Use useEffect without dependencies

B). Use useEffect with an empty dependency array

C). Use useEffect with a non-empty dependency array

D). Use useEffect with useState