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

JavaScript Interview Questions

Questions Answers Views Company eMail

What is lazy loading java?

873

What is javascript tree shaking?

980

What are arrays in javascript?

948

Can array in javascript be extended?

885

How javascript sort function works?

982

How compare function works javascript?

846

How do you sort in javascript?

1030

Is array an object javascript?

933

What is a function in javascript and how does it work?

957

What is prototype in javascript and how do you use it?

942

Is javascript pure object oriented?

862

Why is it called javascript?

935

What is MEAN in javascript

1 1376

What is Minification

1 1454

What is an enum

1 1220

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Un-Answered Questions { JavaScript }

What are the predefined functions in javascript?

1010

What is the role of a strict mode in javascript?

979

Is javascript becoming obsolete?

927

Explain how to read and write a file using javascript?

971

Entire content of a JavaScript source file in a function block?

1058

What is DOM? What is the use of document object?

969

What are the types used in javascript?

999

What coding language should I learn first?

891

How can you set position of the page (top and left) to 0 using javascript in one line code?

1000

Should you disable javascript?

937

What is purpose of onerror event handler in javascript?

924

How to setting a cookie with the contents of a textbox?

997

Name the two functions that are used to create an HTML element dynamically?

922

What is the importance of javascript?

930

What is the difference between registerclientscriptblock and registerstartupscript?

895

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