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Editorial Team
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Asked: 2026-05-24T16:51:54+00:00

For example, <html> <head><link rel=stylesheet type=text/css href=theme.css></head> <body> <img id=tmp></img> </body> </html> in theme.css

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For example,

<html>
  <head><link rel="stylesheet" type="text/css" href="theme.css"></head>
    <body>
      <img id="tmp"></img>
    </body>
</html>

in theme.css

img#tmp{
      width:120px;
      top:0;
      left:0;
      }

Is there anyway that I can get the width of the image “tmp” directly by JavaScript? Something like
var temp=document.getElementById("tmp"); var width=temp.style.width?

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1 Answer

  1. Editorial Team

    Here you go:

    getComputedStyle( elem ).getPropertyValue( 'width' )

    where elem is the DOM element.

    Live demo: http://jsfiddle.net/7h4cg/

    Btw, some older versions of some browsers do not support this code. If you need a cross-browser solution, use a cross-browser library.

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