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From: FAQ server on 9 Jun 2010 19:00 ----------------------------------------------------------------------- FAQ Topic - Why doesn't the global variable "divId" always refer to the element with id="divId"? ----------------------------------------------------------------------- Microsoft introduced a shortcut that can be used to reference elements which include an ` id ` attribute where the ` id ` becomes a globally-accessible property. Some browsers reproduce this behavior. Some, most notably Gecko-based browsers (Netscape and Mozilla), do so only in "quirks" mode. The best approach is the ` document.getElementById ` method, which is part of the W3C DOM standard and implemented in modern browsers (including IE from version 5.0). So an element with ` id="foo" ` can be referenced with:- var el = document.getElementById("foo"); Note: make sure not to use the same ` id ` twice in the same document and do not give an element a ` name ` that matches an ` id ` of another in the same document or it will trigger bugs in MSIE <= 7 with ` document.getElementsByName ` and ` document.getElementById `. https://developer.mozilla.org/en/Using_Web_Standards_in_your_Web_Pages/Using_the_W3C_DOM#Accessing_Elements_with_the_W3C_DOM http://jibbering.com/faq/faq_notes/faq_notes.html#FAQN4_41 The complete comp.lang.javascript FAQ is at http://jibbering.com/faq/ -- The sendings of these daily posts are proficiently hosted by http://www.pair.com. |