Layui pop-up layer for help, urgent!

the existing pop-up layer (iframe), pops up the second layer from the first layer page, pops up the third layer page when the second layer page is clicked, and closes the second layer page at the same time. Why does the third layer not pop up after using parent.layer.closeAll ()? ask for help

Jan.27,2022

parent.layer.closeAll () closes all pop-up windows
if multilevel layer nesting suggests the following words
var index = layer.open ();
layer.close (index);


skin does not exist, Mao will attach


you should use close (index), you are all closed


layer.close (index);

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