js clears the content code of the input file uploaded file

This article mainly shares with you a few lines of js code. I hope it can help you on how to clear the content of the input file and upload the file in js.

html page code is as follows:

<input id="file_input" type="file" onchange="upLoadFile(this)" value="" />

js code is as follows, you can directly clear the content of the upload file input button:

var obj=document.getElementById('file_input');
obj.outerHTML=obj.outerHTML;

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