Home >Web Front-end >JS Tutorial >Solution to the problem that the onload event will be executed only after the img element is created but not added to the document_javascript tips

Solution to the problem that the onload event will be executed only after the img element is created but not added to the document_javascript tips

WBOY
WBOYOriginal
2016-05-16 18:04:081468browse

Example

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< HTML>


Onload event will be executed only after the img element is created but not added to the document</ title> <br></HEAD> <br><BODY> <br><script> <br>var img = document.createElement('img'); <br>img.src = "http:// /www.sinaimg.cn/rny/sinamail57/skins/110318/17/logo.jpg"; <br>img.onload = function(){alert(this.width);}; <br></script> <br></BODY> <br></HTML> <br> </div> <br>iframe, script must be added to the document before the callback is executed.</div><div class="nphpQianMsg"><div class="clear"></div></div><div class="nphpQianSheng"><span>Statement:</span><div>The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. 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