Michal Čihař edited this page Apr 14, 2016 · 2 revisions

Setting a breakpoint (Chrome or Firefox+Firebug)

Step 1

Open the js file where you want to set a breakpoint. In our example it's db_operations.js

Step 2

Insert the "debugger;" statement (without the quotes) right before the line for which you want to set the breakpoint.

Step 3

Go to desired page in your web browser, in our example it's db_operations.php.

Step 4

Refresh the page. Do not skip this, it's necessary to have the correct version of the js files loaded when setting the breakpoint.

Step 5

Click on the element that triggers the event handler that we are interested in. In our example, we submit the rename database form.

Step 6

You will see a red dot appear to confirm that you have set a breakpoint (click again to remove it).

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