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<!DOCTYPE html> <html> <body style="background:#f3f3f3 url('img_tree.png');"> <h1>Hello World!</h1> <button type="button" onclick="myFunction()">Get background image</button> <script> function myFunction() { alert(document.body.style.backgroundImage); } </script> </body> <!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_style_backgroundimage4 by HTTrack Website Copier/3.x [XR&CO'2014], Fri, 23 Jan 2015 08:24:49 GMT --> </html>
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