Use JS to detect picture size and image file size

xiaoxiao2021-03-06  39

Script>

Var img = null;

Function s ()

{

IF (img) img.removenode (TRUE);

IMG = Document.createElement ("IMG");

Img.style.position = "absolute";

Img.style.visibility = "hidden";

Img.attachevent ("OnReadyStateChange", ORSC);

Img.attachevent ("OneRror", OE);

Document.body.insertAdjacentelement ("BeforeEnd", IMG);

IMG.SRC = INP.VALUE;

}

Function OE ()

{

Alert ("Cant Load IMG");

}

Function ORSC ()

{

IF (img.readystate! = "completion") Return False;

Alert ("Image Size:" Img.OffSetWidth "X" Img.OffSetHeight;

Alert ("Image Size:" Img.FileSize);

btn.disabled = false;

}



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