javascript - Why is the content in Img.onload = funcion(){} the last thing after the image is preloaded? ?
欧阳克
欧阳克 2017-07-05 11:06:11
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RT
Attached is the picture executed in the browser

欧阳克
欧阳克

温故而知新,可以为师矣。 博客:www.ouyangke.com

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世界只因有你

onload event handler called when the image is loaded.
onload=function means that after the image is loaded, call this onload time, which is the method you wrote yourself. This method is called event callback, or delegation. balabala...anything is fine

世界只因有你

onload is actually an asynchronous process

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