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JavaScript Interview Questions
Questions Answers Views Company eMail

What data types are supported in Javascript?

 522

What is undefined x 1 in JavaScript?

 508

How do you access an element in an HTML document with JavaScript?

 511

What Is The Disadvantages Using InnerHTML In JavaScript?

 532

What does unshift() function do in Javascript?

 707

How to test a string as a literal and as an object ?

 556

How do you check if an object is an array or not?

 526

What are the Non-primitive data types in JavaScript?

 551

List out the different ways an HTML element can be accessed in a Javascript code?

 733

What is an ECMAScript?

 555

What is an anonymous function in JavaScript?

 543

What is "strict mode" and how is it used in JavaScript?

 541

What is NaN?

 567

How to replace all occurrences of a string in JavaScript?

 511

How to get height and width of different browser in Javascript?

 524

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Un-Answered Questions { JavaScript }

What is the difference between ‘var’ and ‘let’ keyword?

522

Why do we need javascript?

476

How to loop through array in javascript?

475

What is difference between scripting and programming?

446

Is javascript enabled on chrome?

470




Is javascript or python easier?

508

What is difference between var x =1; and x=1;?

681

What is the disadvantage of javascript?

467

what will happen and why if i will acess the methods of superclass which is declared as private by a object of same subclass.

1579

Is javascript pure object oriented?

442

What is object freeze?

489

Why is object naming important to use in javascript?

504

How can a page be forced to load another page in javascript?

655

What are the new ways to define a variable in Javascript?

581

What is var and let in javascript?

498

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