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Dropdown and textbox problem

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Feb 10.2004

i’ve been trying to this all day but with no avail….

How do you enable a textbox using a dropdown menu?

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JavaScript

7 Comments(s) ↴

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@fredmvFeb 10.2004 — Welcome to the forums.<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<title>untitled</title>
<meta http-equiv="content-type" content="application/xhtml+xml; charset=iso-8859-1" />
</head>
<body>
<form action="#">
<div>
<select onchange="elements[1].disabled = options[selectedIndex].value == 'false' ? false : true">
<option value="">< select an option ></option>
<option value="false">enabled</option>
<option value="true">disabled</option>
</select>
<input type="text" disabled="disabled" />
</div>
</form>
</body>
</html>
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@bruticusauthorFeb 10.2004 — wow that was fast. thank you very much ?

also i was wondering if it could be possible to use an IF statement on this for example

[code=php]
<select>
<option value="item1"> Item1 </option>
<option value="others"> Others </option>
</select>
[/code]

so the textbox is only enabled when i select "Others".
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@fredmvFeb 10.2004 — You're welcome; it'd be done like this:&lt;!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"&gt;

&lt;html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"&gt;
&lt;head&gt;
&lt;title&gt;untitled&lt;/title&gt;
&lt;meta http-equiv="content-type" content="application/xhtml+xml; charset=iso-8859-1" /&gt;
&lt;/head&gt;
&lt;body&gt;
&lt;form action="#"&gt;
&lt;div&gt;
&lt;select onchange="elements[1].disabled = options[selectedIndex].value == 'item1' ? true : false;"&gt;
&lt;option value=""&gt;&amp;lt; select an option &amp;gt;&lt;/option&gt;
&lt;option value="item1"&gt;Item1&lt;/option&gt;
&lt;option value="others"&gt;Others&lt;/option&gt;
&lt;/select&gt;
&lt;input type="text" disabled="disabled" /&gt;
&lt;/div&gt;
&lt;/form&gt;
&lt;/body&gt;
&lt;/html&gt;
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@bruticusauthorFeb 10.2004 — thanks again for the quick response....?
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@bruticusauthorFeb 10.2004 — the code works fine when i tested it on a local browser but when i used it on IIS or uploaded it the script doesn't seems to function. Any ideas??
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@96turnerriFeb 10.2004 — yeah you host may have disabled js

[code=php]
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en">
<head>
<title>untitled</title>
<meta http-equiv="content-type" content="application/xhtml+xml; charset=iso-8859-1" />
</head>
<body>
<script type="text/javascript" />
document.write("Hello!");
</script>
</body>
</html>
[/code]

see whether that works
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@bruticusauthorFeb 10.2004 — yup it works fine. I suspect it's the

[code=php]
disabled="disabled"
[/code]

code on the text box that's doing it...but then again maybe i'm wrong....
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