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<!DOCTYPE html> <html> <body onresize="myFunction()"> <p>This example demonstrates how to assign an "onresize" event to a body element.</p> <p>Try to resize the browser window.</p> <p>Window resized <span id="demo">0</span> times.</p> <script> var x = 0; function myFunction() { var txt = x += 1; document.getElementById("demo").innerHTML = txt; } </script> </body> </html>