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Is there any way to see how to manipulate HTML Node?

Breakpoints are great when someone knows where the code is executing. However, I have a problem when my DIV is controlled by some unknown code in the library that I use. Is there a way to set a breakpoint on node and see when children are added or attributes are changed?

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Just for people who have never used Firebug, go to the HTML tab at the top of the Firebug window, go to the element you are using by expanding the corresponding nodes. (Alternatively, right-click on the div element on the page and select “Inspect Element” at the bottom (usually) of the right-click menu. The mouse above the node should by default select that element on the page.

Then, when you have the div node shown in the firebug window, right-click on the node and select “Change Interrupt Attribute”, “Unlock Add or Remove Child Elements”, “Break to Delete Elements”, or whatever combination you wished. And voila!

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In firebug you can set the html tab "Stop attribute change"

see: http://getfirebug.com/html

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Source: https://habr.com/ru/post/1306484/

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