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?

886

What are the distinct types of error name values?

977

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

878

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

966

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

1112

What are the advantages of using external javascript?

941

Can you give an example showing javascript hoisting?

860

What are self invoking functions?

961

What is a closure and how do you use it?

986

What is javascript ‘strict mode’?

940

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

914

What are the characteristics of javascript ‘strict mode’?

1045

What are the difference between javascript and jquery?

1117

What are the data types available in javascript? Explain

944

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

1128

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Un-Answered Questions { JavaScript }

Difference json arrary vs json object ?

943

What is eval() in javascript?

1076

Explain window.onload and ondocumentready?

919

What is client side in javascript?

874

How to convert json object to string?

1046

Is a function an object?

985

How is javascript different from java?

1128

What does js stand for?

919

What does === mean in js?

902

What is unshift method in JavaScript?

1009

What is encodeuri() in javascript?

1085

Should I learn java first or javascript?

965

How can you get the reference of a caller function inside a function?

1024

How do I link an external javascript file to html?

911

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

1054

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