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

JavaScript Interview Questions

Questions Answers Views Company eMail

How to delete a cookie using javascript?

1063

Which built-in method sorts the elements of an array?

1074

What are the javascript data types?

1063

What are the different ways to create an array in javascript?

1038

How are javascript and ecma script related?

994

What is the naming conventions for the variables in javascript?

1065

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

1103

Are namespaces are there in javascript?

1035

What do “1”+2+4 evaluate to?

1002

What is an empty html tag?

931

How do I retrieve a cookie with a given name using a regular expression?

967

How to create an array in javascript?

1103

What is the difference between window.onload and ondocumentready?

963

How can I request data from the server without reloading the page in the browser?

1022

What is the function of deferred scripts?

1163

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Un-Answered Questions { JavaScript }

What is the difference between var and let?

995

Is webassembly faster than javascript?

996

How to add new elements dynamically?

1066

What is Currying in Javascript?

1143

What is difference between local and global scope in javascript ?

1075

What's relationship between JavaScript and ECMAScript? And What are JavaScript types?

1102

How do I open a website code?

1087

What do you mean by enumeration?

1011

What is callback in javascript?

1023

How to write normal text code using JavaScript dynamically?

1037

What is spread syntax?

974

How do I find javascript?

948

What is the use of blur function in JavaScript?

1083

What is design pattern in javascript? Explain

1069

Can javascript code be broken in different lines?

1124

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