[thelist] detecting form fields in JS

Sun Dec 10 23:11:35 CST 2000

On Mon, 11 Dec 2000, Matthew Walker wrote:
> How do I detect whether or not a form element exists?
> 
> e.g. how do I adapt this script to not give an error if there is no form on
> the page?
> 
> <body onload="document.forms[0].elements[0].focus();">

Haven't tested this - but probably:

<body onload="if (document.forms[0].elements[0])
document.forms[0].elements[0].focus();"> 

would do it. You check to see if there's at least one form and if
there's a first element to focus on.

Theoretically should work,

	Joe
-
Joe Crawford <mailto:joe at artlung.com>
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