Top 20 JavaScript Interview Questions Without Answers

JavaScript one of the most popular programming language among web developers. Its a broswer based coding for client side operations. For fast form validations.PHP , Dotnet, java like programming languages are used fro server side coding. Javascript can handle many operations like form field validations, file operations, send requests to server using Ajax, Curl like methods etc. Here I have collected 20 Javascript interview questions that will be asked commonly in interviews. On the last page I have added a PDF version for quick reference. I have just added the questions only and you should prepare the answers before attending the interviews.

  1. You can expect some basic questions like what is Javascript and its difference form other languages like Java
    2_What is JavaScript
  2. 3_difference between JavaScript and java
  3. 4_difference between JavaScript and jscript
  4. Prepare the array operations with Javascript
    5_How to create arrays in JavaScript
  5. 6_What are JavaScript types
  6. 7_How to call external JavaScript file
  7. 8_What is BOM and DOM
  8. 9_What is negative infinity
  9. It will be a sure question about file operations in Javascript
    10_How to read and write a file using javascript

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