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

JavaScript Interview Questions

Questions Answers Views Company eMail

What are the advantages of javascript?

914

What are the distinct types of error name values?

1008

What is the use of ‘debugger’ keyword in javascript code?

917

What is the syntax of ‘self invoking function’? Give an example?

1013

What is the difference between test () and exec () methods?

1169

What are the advantages of using external javascript?

985

Can you give an example showing javascript hoisting?

907

What are self invoking functions?

1019

What is a closure and how do you use it?

1028

What is javascript ‘strict mode’?

994

What is the difference between ‘var’ and ‘let’ keyword?

957

What are the characteristics of javascript ‘strict mode’?

1119

What are the difference between javascript and jquery?

1187

What are the data types available in javascript? Explain

989

How to count the number of element in an array using javascript?

1213

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Un-Answered Questions { JavaScript }

How to create arrays in javascript?

1021

Describe negative infinity in javascript?

1030

How to check if a variable is an integer in javascript ?

1103

What is the use of document object?

964

How to get value from radiobuttonlist control?

1066

What are the string methods?

989

How to reload a page using JavaScript?

1290

How do I find javascript?

947

What is encodeuri() function?

1101

What are the basic groups of dataypes in JavaScript?

1019

What are types of javascript?

973

What are the pop-up boxes available in javascript?

998

What are javascript closures?when would you use them?

985

Why is javascript not oop?

962

How and where javascript namespacing is used?

989

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