JavaScript Interview Questions and Answers

References:

[dhaneshdhanawade]

Add example for each question,
So it will make easier and understandable.
This will help everyone

[tinasquantumshifting]

Q2 is a trick question: You can use + to concatenate two strings.

[QwertyNPC]

Either I don't get something or saying that javascript functions must be in the HEAD of an html document is greatly misleading. Any javascript code can be placed anywhere you can place a <script> tag. Execution of that code may require waiting for a DOM ready event.

[krupapatel]

For question 5 if you call extra arguments then it will give error in console

[bilelwafi]

how can expalin me the question number 3 !!!! i don't inderstand it

[ralexand]

What is the 2nd argument, 0, to Math.round for?

[abhi_kl]

Please dont narrate questions and answers so fast. Give time for interactivity and understandability

[youAmera]

More Front End questions and answers. Maybe will be helpful for someone: