How to Find Javascript Error Message on Mozilla Firefox

In this post i try to show a manner to Find Javascript Error Message , usually it was hard to find the detail of javascript error directly, however, the error message at the browser can help us to find the line where our code was error.

Below are the steps if we use Mozilla Firefox :

1. Open Tools, Error Console

2. See the error message and try to find at our code.

3. Try to minimize the quantity of error message to make the program works.

Hope this manner can help you to fix your problems.