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<html> <head> <script type="text/javascript"> function getElements() { var x=document.getElementsByName("myInput") alert(x.length + " elements!") } </script> </head> <body> <form > <input name="myInput" type="text" size="20"><br /> <input name="myInput" type="text" size="20"><br /> <input name="myInput" type="text" size="20"><br /> <br /> <input name="mybutton" type="button" onclick="getElements()" value="Show how many elements named 'myInput'"> </form> </body> </html>
Edit the text above, and click on the button to see the result.

Edit the text above, and click on the button to see the result.