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JavaScript Interview Questions
Questions Answers Views Company eMail

What is namespacing in javascript and how is it used?

 474

What is the method for reading and writing a file in javascript?

 537

What is called variable typing in javascript?

 520

Does javascript support automatic type conversion?

 665

What are the two basic groups of dataypes in javascript?

 511

Explain window.onload and ondocumentready?

 505

How to find operating system in the client machine using javascript?

 492

Explain the role of deferred scripts in javascript?

 468

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

 651

Is it possible to break javascript code into several lines?

 1081

How generic objects can be created?

 476

Write about the errors shown in javascript?

 472

Define unescape() and escape() functions?

 499

Mention what is the disadvantage of using innerhtml in javascript?

 605

Explain the for-in loop?

 527

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Un-Answered Questions { JavaScript }

How to enabled 'Strict' mode in JavaScript?

575

How many functions are there in javascript?

481

What is a null variable in javascript?

514

If you need to hide the javascript code from the older browser versions, how will you perform it?

523

What is a string in javascript?

448




What is event in web programming?

478

What is javascript bom?

562

Which built-in method returns the calling string value converted to lower case?

709

Enumerate the differences between Java and JavaScript?

692

What is spread operator?

483

How to create array in JavaScript?

546

What is javascript namespacing?

521

Why is javascript so popular?

482

Which built-in method sorts the elements of an array?

572

What are the different functional component in javascript?

456

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