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The client limits the js code that can only upload jpg format images_javascript skills

WBOY
WBOYOriginal
2016-05-16 18:14:211402browse
Copy code The code is as follows:

function checkPhoto(fnUpload)
{
var filename = fnUpload.value;
alert(filename);
var mime = filename.toLowerCase().substr(filename.lastIndexOf("."));
if(mime!=".jpg")
{
alert("Please select jpg format for photo upload");
fnUpload.outerHTML=fnUpload.outerHTML;
}
}
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