onclick javascript pass this object
Below is demo html which will show you how to pass this object to javascript function and get id of it:
<html> <head> <meta charset="ISO-8859-1"> <title>onclick javascript pass this object</title> <script type="text/javascript"> function testing(value) { document.getElementById(value.id); alert(value.id); } </script> </head> <body> <input type="text" name="test" id="test" onclick="testing(this)"> </body> </html>