chrome does not have this problem, which can happen to ie and edge. 
chrome does not have this problem, which can happen to ie and edge.
is it because the default style has not been reset?
outermost font-size:0 try this
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I don t know how to use the onclick event of element ui correctly. The document doesn t introduce it in detail, and I haven t worked it out for a long time. specifically consult . I want to trigger this event when I click Notification again ...