JavaScript Interview Questions
Questions Answers Views Company eMail

TypeError: document.getelementbyid(...) is null?

568

What are the valid scopes of a variable in JavaScript?

486

Is JavaScript a case-sensitive language?

545

What is the use of Void(0)?

604

What is closure?

537

how to read and write a file using JavaScript?

554

In Javascript are calculations with fractional numbers guaranteed to be precise?

538

Which built-in method calls a function for each element in the array?

599

What are JavaScript Cookies?

500

What Does JavaScript Void(0) Mean?

533

How to set the cursor to wait in JavaScript?

554

Which built-in method returns the character at the specified index?

738

What will happen if an infinite while loop is run in Javascript?

507

How can you convert the string of any base to integer in JavaScript?

516

How to handle exceptions in JavaScript?

507


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Un-Answered Questions { JavaScript }

In a java script, what is the difference between "==" and "===" operator?

512


How does typeof operator work?

589


What is scope javascript?

556


How to create an input box?

538


How to comment javascript code?

523






What value does prompt() return if the user clicked the cancel button?

465


What is a module code?

530


What are the ways of making comments in javascript?

453


How to set a html document's background color?

547


what is the different between html and java?why the java is required in internet?

1702


What are global variables in javascript?

531


What does => mean in node js?

533


What is javascript bom?

566


Is javascript whitespace sensitive?

491


What are javascript properties?

502