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JavaScript Interview Questions
Questions Answers Views Company eMail

What data types are supported in Javascript?

 521

What is undefined x 1 in JavaScript?

 508

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

 510

What Is The Disadvantages Using InnerHTML In JavaScript?

 532

What does unshift() function do in Javascript?

 706

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?

 525

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?

 540

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?

 523

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Un-Answered Questions { JavaScript }

Name some of the built-in methods and the values returned by them.

562

How do we get javascript onto a web page?

484

How to you change the title of the page by javascript?

516

What is the main difference between Map collections and other collections such as Set.

2625

What is closure? Give an example.

523




What is stack queue?

479

What are the data types supported by javascript?

476

How can you read properties of an Object in JavaScript?

533

In a pop-up browser window, how do you refer to the main browser window that opened it?

464

How long does it take to learn javascript?

494

What is let keyword in typescript?

546

Why javascript is called lightweight language?

497

Is a hash table an array?

501

Which software is best for javascript?

541

What are decodeuri() and encodeuri() functions in javascript?

479

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