onclick CORE ATTRIBUTE:  ondblclick ondblclick="action" Available in versions: 4.0 HTML 4.0 tag compatibility: All tags except applet, base, basefront, bdo, br, font, frame, frameset, head, html, iframe, isindex, meta, param, script, style, title   The ondblclick core attribute is an event handler that is associated with the double click of a mouse on a selected HTML tag (element). Whenever you double click the element, the script code of the ondblclick is executed. This script can also call functions or subroutines which contain code that you want to run when the double click occurs.   The similar onclick core attribute is an event handler that is associated with the single click of a mouse.   In this example, every time you double click the button element, one line of JavaScript code is executed which causes an alert box to be displayed with a message.   Code: <input type="button" ondblclick="JavaScript: alert( 'ondblclick event' )" value="Double Click Me!">   Output: Copyright 1999-2001 by Infinite Software Solutions, Inc. All rights reserved. Trademark Information