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<!DOCTYPE html> <html> <body> <h2>JavaScript addEventListener()</h2> <p>This example uses the addEventListener() method on the window object.</p> <p>Try resizing this browser window to trigger the "resize" event handler.</p> <p id="demo"></p> <script> window.addEventListener("resize", function(){ document.getElementById("demo").innerHTML = Math.random(); }); </script> </body> </html>
