Top 4 JavaScript Interview Questions and Answers

Here, you will come across some of the most frequently asked questions in JavaScript job interviews which will help you in your interview preparation.

Let's have a look at some of the most popular and significant JavaScript questions and answers:

Interview Questions

Most Essential And Frequently Asked Interview
Questions And Answer


Q.1. Remove id attribute from an element using jquery


Jquery | Remove id attribute from an element

The removeAttr() function from jquery is used to removes one or more attributes from the selected elements.

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Q.2. How to refresh a page with jquery?


Jquery | Location reload() Method | Refresh a page

The Location.reload() method reloads the current URL.

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Q.3. How to select dropdown item based on value


JQuery | Select dropdown item based on the value

Change the selected option by value on the select box with jQuery is common nowadays. So let us have a select element with the list of the fruits, and we need to "select" one of its options based on one of its values. What we do is just use the “selected” selector of jQuery

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Q.4. What is the difference between JavaScript and JQuery


JQuery | Difference between JavaScript and JQuery 

Javascript is a client-side scripting language whereas jQuery is a library (or framework) built with JavaScript.

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