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

Answer & Solution

Answer: Option B
Solution:
useEffect is used to run side effects like jQuery DOM manipulation after a component mounts.
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 can you optimize the performance of a jQuery-heavy application in a modern framework?

A). Minimize jQuery usage

B). Use jQuery for everything

C). Avoid using native methods

D). Use multiple jQuery plugins

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

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

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

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

Which Webpack plugin is used to automatically load jQuery whenever $ or jQuery is used?

A). DefinePlugin

B). ProvidePlugin

C). EnvironmentPlugin

D). LoaderPlugin

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

How do you install jQuery using npm?

A). npm install jquery

B). npm get jquery

C). npm add jquery

D). npm download jquery

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

A). .html()

B). .text()

C). .val()

D). .append()