professional-javascript-11-RetrievingTextboxLengthsExample.htm / htm
<html> <head> <title>Retrieving a Textbox Length Example</title> <script type="text/javascript"> function getLengths() { var oTextbox1 = document.getElementById("txt1"); var oTextbox2 = document.getElementById("txt2"); alert("The length of txt1 is " + oTextbox1.value.length + "\n" + "The length of txt2 is " + oTextbox2.value.length); } </script> </head> <body> <input type="text" size="12" id="txt1" /><br /> <textarea rows="5" cols="25" id="txt2"></textarea><br /> <input type="button" value="Get Lengths" onclick="getLengths()" /> </body> </html>
(C) Æliens 20/2/2008
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