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

JavaScript Interview Questions

Questions Answers Views Company eMail

What is event bubbling in JavaScript?

1015

What does parse Query String return in javascript?

Changepond,

974

In a java script, what is the difference between "==" and "===" operator?

Expedia,

1068

How to display Alert in JavaScript

HCL,

1 2237

How can JavaScript be used?

Deloitte, JPMorgan Chase,

959

What is an undefined value in JavaScript?

1080

Explain what is pop()method in JavaScript?

1215

What is break and continue statements?

978

What is the use of type of operator?

945

What is the use of Push method in JavaScript?

1007

What is unshift method in JavaScript?

1012

What is the ‘Strict’ mode in JavaScript and how can it be enabled?

1019

What is the way to get the status of a CheckBox?

1076

Describe the properties of an anonymous function in JavaScript?

1279

Is JavaScript case sensitive? Give an example?

1027

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Un-Answered Questions { JavaScript }

How do you organize your JavaScript code?

1092

What is the scope variable in javascript?

1027

How do you check if a variable is an object

1210

Taking a developer's perspective, do you think that that javascript is easy to learn and use?

928

What is output of “20” + 20? In javascript?

960

What is decodeuri(), encodeuri() in javascript?

1065

How to write a script for "select" lists using javascript

1097

What output will this program produce System.out.println(x+"+"+y+"="+(x+));

2046

What does => mean in node js?

1017

What is null in js?

989

What is the benefit of arrow functions?

918

List few difference between primitive and non primitive javascript data types?

993

What is primitive data types in javascript?

993

What is camelcase in programming?

837

What does the term sticky session mean in a web-farm scenario?

977

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