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 real name of JavaScript?

1151

How to define a named function in JavScript?

1044

What is the difference between undefined value and null value?

1069

Are Typescript and Javascript the same?

1045

How can you create an Array in JavaScript?

1082

What is the difference between the operators '==' and '==='?

1045

What is JavaScript?

2 1990

What do mean by NULL in Javascript?

1165

How to read elements of an array in JavaScript?

1174

What are the new ways to define a variable in Javascript?

1079

Are Javascript and JScript the same?

1020

What is the function of delete operator?

1020

Name some of the ways in which Type Conversion is possible?

1002

What is the difference between the keywords var and let?

1026

Explain the typeof operator?

1014

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Un-Answered Questions { JavaScript }

What is double exclamation point?

995

What is hoisting in javascript?

1021

How do you add an element at the beginning of an array?

1006

How do you change the style/class on any element?

1045

What is meaning of === in javascript?

1041

What is an ECMAScript?

1210

What are the new ways to define a variable in Javascript?

1079

How are object properties assigned?

963

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

1107

Does javascript care about whitespace?

1005

What is unobtrusive javascript? How to add behavior to an element using javascript?

1007

What’s a way to append a value to an array?

1099

How is javascript different from java?

1175

What is new function in javascript?

1076

Which is better typescript or javascript?

955

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