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Q9. What is a name function in JavaScript & how to define it?Ī named function declares a name as soon as it is defined. You can define arrays using the array literal as follows. How can you create an Array in JavaScript? You can create an object using the object literal as follows − JavaScript supports Object concept very well. Q7. How can you create an object in JavaScript?

Richer interfaces − You can use JavaScript to include such items as drag-and-drop components and sliders to give a Rich Interface to your site visitors.

Increased interactivity − You can create interfaces that react when the user hovers over them with a mouse or activates them via the keyboard.

Immediate feedback to the visitors − They don’t have to wait for a page reload to see if they have forgotten to enter something.This saves server traffic, which means less load on your server. Less server interaction − You can validate user input before sending the page off to the server.

Q6. What are the advantages of JavaScript?įollowing are the advantages of using JavaScript − The language keywords, variables, function names, and any other identifiers must always be typed with a consistent capitalization of letters. Yes, JavaScript is a case sensitive language.

It is an open and cross-platform scripting language.

It is complementary to and integrated with Java.

It is designed for creating network-centric applications.

It is a lightweight, interpreted programming language.

The data types supported by JavaScript are:įollowing are the features of JavaScript: What are the data types supported by JavaScript?

The general-purpose core of the language has been embedded in Netscape, Internet Explorer, and other web browsers. JavaScript is a lightweight, interpreted programming language with object-oriented capabilities that allows you to build interactivity into otherwise static HTML pages. JavaScript code are all in the form of text. It creates applications that run in a virtual machine or browser. What is the difference between Java & JavaScript? Java Beginner Level JavaScript Interview Questions and Answers for Freshers Q1. Let’s begin with the first section of JavaScript interview questions. The JavaScript interview questions are divided into three sections: This Edureka video on “JavaScript Interview Questions” will help you to prepare yourself in advanced Java script concepts for you to clear the Java script interview on your first attempt.