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<!DOCTYPE html> <html> <body> <p>Click the button to wait 3 seconds, then alert "Hello".</p> <p>After clicking away the alert box, an new alert box will appear in 3 seconds. This goes on forever...</p> <button onclick="myFunction()">Try it</button> <script> var myVar; function myFunction() { myVar = setInterval(alertFunc, 3000); } function alertFunc() { alert("Hello!"); } </script> </body> <!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_win_setinterval1 by HTTrack Website Copier/3.x [XR&CO'2014], Fri, 23 Jan 2015 08:28:03 GMT --> </html>
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