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

JavaScript Interview Questions

Questions Answers Views Company eMail

Is javascript event driven?

930

What is use of object as function?

1084

What are the javascript objects?

965

How to call a function inside a function in javascript?

947

How do you check if a string is a number javascript?

944

How do you trim in javascript?

940

How many types of functions are there in javascript?

926

How use javascript html?

882

Can you put javascript in html?

881

What are local variables in javascript?

965

How do you declare in javascript?

884

What is the meaning of callback function?

1071

How do you declare javascript?

969

How to update a function in javascript?

1105

Which parameter of load ()' s callback function has the data?

1 7799

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Un-Answered Questions { JavaScript }

What is the difference between an array and an object?

1009

How to empty an array in JavaScript?

1076

Can array in javascript be extended?

893

What are the data types available in javascript? Explain

943

What are the limitations of javascript?

949

How can I set up my own javascript error handler?

922

Can we create session in javascript?

922

How do I turn off javascript in chrome?

950

How to get an element by class in javascript ?

1096

What is the difference between undefined and object?

1004

How to test 404 page in QA

2503

What is the importance of javascript?

937

What is scope of variable in javascript?

1002

What is the difference between null and undefined?

1902

How to detect browser name using JavaScript?

1037

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