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<!DOCTYPE html> <html> <body> Select some of the text: <input type="text" value="Hello world!" onselect="myFunction()"> <script> function myFunction() { alert("You selected some text!"); } </script> </body> <!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_onselect by HTTrack Website Copier/3.x [XR&CO'2014], Fri, 23 Jan 2015 08:29:52 GMT --> </html>
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