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JavaScript Interview Questions
Questions Answers Views Company eMail

What is namespacing in javascript and how is it used?

 466

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

 532

What is called variable typing in javascript?

 518

Does javascript support automatic type conversion?

 654

What are the two basic groups of dataypes in javascript?

 507

Explain window.onload and ondocumentready?

 498

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

 488

Explain the role of deferred scripts in javascript?

 465

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

 642

Is it possible to break javascript code into several lines?

 1071

How generic objects can be created?

 470

Write about the errors shown in javascript?

 466

Define unescape() and escape() functions?

 487

Mention what is the disadvantage of using innerhtml in javascript?

 600

Explain the for-in loop?

 520

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Un-Answered Questions { JavaScript }

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

570

What is the difference between .call() and .apply()?

581

Name the different types of pop up boxes in Javascript?

517

What are the two basic groups of dataypes in javascript?

507

What does polyfill mean?

493




What is a framework programming?

455

When would you use var in your declaration and when you wouldn’t?

521

How do I turn on javascript on my phone?

442

Is javascript easier than java?

468

What is double exclamation point?

516

Are Javascript and JScript the same?

536

Which type of variable among global and local, takes precedence over other if names are same?

493

Describe what u had done today?

1820

Is javascript becoming obsolete?

468

Is null === undefined?

480

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