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

JavaScript Interview Questions

Questions Answers Views Company eMail

What is slug in javascript?

955

What is dataview in javascript?

896

How do I open javascript console?

910

How do you round a value in javascript?

875

What is foreach loop in javascript?

942

What is number in javascript?

812

What is the difference between write and writeln in javascript?

842

What is difference == and === in javascript?

928

Which is better for or foreach in javascript?

905

What is asynchronous javascript?

876

Can we create session in javascript?

862

What is lazy loading in javascript?

932

Do unused imports affect performance javascript?

1473

What is eager initialization in java?

868

What is lazy instantiation in java?

847

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Un-Answered Questions { JavaScript }

What is require in javascript?

1005

What is the difference between undeclared & undefined?

868

How to get the primitive value of a string in Javascript?

981

How can I set up my own javascript error handler?

872

What are all the types of Pop up boxes available in JavaScript?

1032

Do you need to declare variables in javascript?

861

What will happen if an infinite while loop is run in Javascript?

932

What is prototype in javascript and how do you use it?

870

What is the difference between JavaScript and jscript?

1145

What would be the result of 3+2+”7″?

1413

In Javascript are calculations with fractional numbers guaranteed to be precise?

977

What is the use of a date object in javascript?

999

What are the different types of errors supported by javascript?

1062

How do you declare javascript?

909

What is the difference between scripting and programming?

888

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