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 requirements of web application using javascript?

1082

Explain with an example the use of event handlers in javascript.

1072

Describe javascript and vbscript.

1116

Explain typecasting in javascript?

945

How to add/remove properties to object dynamically in javascript?

993

Explain closures in javascript?

943

Explain event bubbling and event capturing in javascript?

974

Explain javascript event delegation model?

1027

What is difference between var x =1; and x=1;?

1146

List few advantages of using javascript?

901

How to get the last index of a string in javascript?

1018

What is console.time() and console.timeend()? What is its syntax, and why is it used?

1042

How to call a function in every x seconds in javascript?

974

What are different types of popup boxes available in javascript?

1006

How to convert javascript date to iso standard?

1132

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Un-Answered Questions { JavaScript }

How to add/remove properties to object dynamically in javascript?

993

What is an external javascript?

998

What boolean operators can be used in JavaScript?

1065

How to get value of an element by class in javascript ?

1007

How do Javascript primitive/object types passed in functions?

1070

How to test PAGE LOAD TIME, RELOAD THE PAGE, CAPTURE THE URL'S , TEST THE PIXALS please please above all these how to test as a tester

2328

What are the data types available in javascript? Explain

990

What are the valid scopes of a variable in JavaScript?

1060

Can you give an example showing javascript hoisting?

907

Why is currying called currying?

901

Is it safe to use javascript?

979

What are two-way data binding and one-way data flow, and how are they different?

1108

Explain event bubbling and event capturing in javascript?

974

how to hide alphabets in java as password '*'

2178

How do I open javascript in chrome?

975

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