Google Browser JS debugging method

First step: Press F12 to appear debug page

Step two: Find the JS you want to debug

If you can't find it, write a debug log in the JS file

such as: Console.log ("############ #fileUpload. js##### #change #################");

At this time, in the debugging, the log will be printed out, and the log is located in the JS file listed to display on the right side, then click on the right JS file to find

Step three: Break points in the JS file

The fourth step: when debugging again, it will stay at the point of the breakpoint

Google Browser JS debugging method