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

JavaScript Interview Questions

Questions Answers Views Company eMail

What is the difference between registerclientscriptblock and registerstartupscript?

866

How to remove the event listener?

907

How to find the selected radio button immediately using the 'this' variable?

910

How to handle event handlers?

960

What is the potential disadvantage of using a sticky session?

882

Example of using regular expressions for syntax checking in javascript?

897

How to make a array as a stack using javascript?

971

How to set the cursor to wait?

891

What does the term sticky session mean in a web-farm scenario? Why would you use a sticky session? What is the potential disadvantage of using a sticky session?

901

What is the difference between a web-garden and a web-farm?

909

How to use strings as array indexes using javascript?

993

Text from your clipboard?

842

Explain escape() in javascript?

879

What are a fixed-width table and its advantages in javascript?

876

What is eval() in javascript?

1028

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Un-Answered Questions { JavaScript }

What is the difference between firstChild and firstElementChild?

1031

What is the use of anonymous function in javascript?

852

What are the Advantages and Disadvantages of JavaScript?

969

How do I use javascript to password-protect my web site?

857

To set all checkboxes to true using javascript?

1027

What is the disadvantage of using innerhtml in javascript?

1139

How will you explain closures in javascript? When are they used?

950

What is npm repository?

889

What does unshift() function do in Javascript?

1240

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

995

What is memory leak in javascript?

875

What is the most widely used programming language?

867

What is a closure and how do you use it?

946

What is the difference between innerhtml & innertext?

845

When would you use var in your declaration and when you wouldn’t?

891

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