What is a good Javascript debugging tool?

Question

Haven\'t touch javascript for 3 years. Just got a javascript project and wanted to know any new ways or tools emerged these years to debug javascript? I used alert 3 years

Answer 1

LINE BY LINE JAVASCRIPT DEBUGGING

To get following set of features try any of the below mentioned two methods.

Features:

1. Set and Pause at breakpoints.
2. Step into
3. Step out
4. Step over
5. Watch values at breakpoints pause
6. Toggle breakpoints
7. Continue from paused breakpoints
8. and many more...

Method 1:

9. Google Chrome > Inspect > Sources Tab
10. For detailed help

Method 2:

11. Mozilla Firefox > Inspect Element(Q) > Debugger Tab
12. For detailed help