JavaScript Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

JavaScript Interview Questions

Questions Answers Views Company eMail

How to get value of an element by class in javascript ?

898

What is console.log() and why it is used?

1024

What is 'use strict'?

914

what are the difference unescape() and escape() functions?

909

What is singleton class in javascript? Explain

946

What is null in javascript?

941

Who introduced javascript?

885

What is console.log()?

913

What is the difference between "var" and "let" keywords?

896

What are the difference between undefined and not defined in javascript?

952

How can a value be appended to an array?

902

How will you explain closures in javascript? When are they used?

942

What are screen objects?

881

How can javascript codes be hidden from old browsers that don't support javascript?

918

How can the os of the client machine be detected?

858

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Un-Answered Questions { JavaScript }

Why do you need javascript?

869

Why is javascript so popular?

880

What is the difference between an array and an object?

950

What is Associative Array? How do we use it?

983

What is js injection?

859

What is javascript and its advantages?

962

How to convert numbers to strings using javascript?

940

What is a javascript code?

948

Is null in javascript?

882

Is a javascript script faster than an asp script?

909

What is javascript ‘strict mode’?

897

How to add a new property in existing function javascript?

926

How can an HTMLCollection be traversed?

956

Are javascript variables case sensitive?

858

what is lazy fetching in hibernate

1940

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