JavaScript Interview Questions
Questions Answers Views Company eMail

How to access an external javascript file that is stored externally and not embedded?

595

Name the numeric constants representing max, min values?

508

Explain prototypal/differential inheritance?

492

Difference json arrary vs json object ?

541

How to get value from a textbox?

587

How to comment javascript code?

515

How do you create array in javascript?

511

What's math constants and functions using javascript?

481

How to set a html document's background color?

534

If 2 methods have same name and same number of parameters, which one will be executed first?

509

What is the difference between sessionstate and viewstate?

496

What is the difference between == and ===? Which one would you use?

548

How to disable an html object ?

553

Explain why "self" is needed instead of "this".

518

What is the prototype object in javascript and how it is used?

517


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Un-Answered Questions { JavaScript }

How to make a array as a stack using javascript?

515


What are the variable naming conventions in javascript?

470


Which operator is used to assign a value to a variable?

441


What is bom?

501


How to replace all occurrences of a string in JavaScript?

487






Is python better than javascript?

439


How to create a cookie using javascript?

500


How to comment javascript code?

515


To write messages to the screen without using "document.write()"?

459


Is javascript open source?

443


List the comparison operators supported by javascript?

513


What are undeclared and undefined variables?

535


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

495


What do you use javascript for?

487


How we can add title of the page by javascript?

498