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

JavaScript Interview Questions

Questions Answers Views Company eMail

why you used Java Script? Can it use for both client side and server side validation purpose?

BeBo Technologies, HCL, Wipro,

12 36876

How do you send a message to the browser in JavaScript?

Four soft, Vsys,

3 12664

What are the security related issues in JavaScript scripts?

Four soft,

3 12805

Does javascript support multidimensional arrays ?

4 11782

Can you call a Java Applet using a JavaScript function?

HCL, Satyam,

2 11285

Can any one tell me how Java is purely an Oops language

3 7260

What is the use of the String Tokenizer

1 9190

What is the relationship between JavaScript and ECMAScript?

NIM, Satyam,

4 21626

What are JavaScript types?

Infosys, Satyam,

11 30616

How do you convert numbers between different bases in JavaScript?

College School Exams Tests, Satyam, UIST, Wipro,

4 17352

What does isNaN function do?

Satyam,

2 11821

What is negative infinity?

CoKinetic, Satyam,

2 9793

What boolean operators does JavaScript support?

Aptech, HCL, Satyam,

5 16981

What does "1"+2+4 evaluate to?

Acheron, Satyam,

10 35768

How about 2+5+"8"?

Satyam,

6 10775

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Un-Answered Questions { JavaScript }

What is js injection?

920

Is JavaScript a true OOP language?

1069

What are the string methods?

946

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

878

How to reload the current page?

1033

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

2287

What are the variable naming conventions in javascript?

992

What is push() method in javascript?

952

Why javascript is not secure?

958

Where do you write javascript?

908

What is spread operator react?

896

What is eval() in javascript?

1075

What is trim whitespace google sheets?

938

What is ‘this’ keyword in JavaScript?

992

What are JavaScript Data Types?

1024

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