Tryit Editor v1.4

<html> <head> <script type="text/javascript"> function blinking_header() { if (!document.getElementById('blink').style.color) { document.getElementById('blink').style.color="red"; } if (document.getElementById('blink').style.color=="red") { document.getElementById('blink').style.color="black"; } else { document.getElementById('blink').style.color="red"; } timer=setTimeout("blinking_header()",100); } function stoptimer() { clearTimeout(timer); } </script> </head> <body onload="blinking_header()" onunload="stoptimer()"> <h1 id="blink">Blinking header</h1> </body> </html> | Your Result:
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