<html> <body> <script language="JavaScript"> var range; function function1() { range = myText.createTextRange(); var m = range.moveEnd("textedit"); range.select(); } </script> <input id="myText" type="text" value="Some sample text. This text is editable" size="50"> <input type="button" value="Select the text inside the textbox" onclick="function1();"> </body> </html>