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 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

How do you ensure that jQuery code runs after an Angular component's view has been fully initialized?

A). Place jQuery code in ngOnInit

B). Place jQuery code in ngDoCheck

C). Place jQuery code in ngAfterViewInit

D). Place jQuery code in the constructor

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

A). useState

B). useEffect

C). useReducer

D). useContext

In Angular, where should you place your jQuery initialization code?

A). In the component constructor

B). In the ngOnInit lifecycle hook

C). In the ngAfterViewInit lifecycle hook

D). In the ngDoCheck lifecycle hook

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 Vue.js lifecycle hook would you use if you need to perform actions when the component is destroyed?

A). created

B). updated

C). mounted

D). destroyed

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

A). .html()

B). .text()

C). .val()

D). .append()

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

What is the primary reason for using jQuery in modern frameworks?

A). To replace the framework's functionality

B). To enhance and simplify specific tasks

C). To make code more complex

D). To avoid using native JavaScript

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