Question

How do we debug a script?

(a) Use of JavaScript Validator

(b) Use of JavaScript Debugger

(c) Use of JavaScript Validator & Debugger

(d) Use of javascript interpreter

I had been asked this question in an interview for internship.

Question is taken from Forms of Debugging topic in section Caching, Debugging and Animation of JavaScript

Answer 1

The correct answer is (c) Use of JavaScript Validator & Debugger

Explanation: Both the JavaScript Validator and the JavaScript Debugger can be used to debug a script. The debugger statement stops the execution of JavaScript, and calls (if available) the debugging function.