HTML upload control deselect_javascript skills

JS code

The first type: (cannot be used when display:none)

Copy code The code is as follows:

var obj = document.getElementById('fileupload');
obj.select();
document.execCommand("delete");

The second type: (can be used regardless of display:none or block)

Copy code The code is as follows:

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