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[RESOLVED] Update hidden filed

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May 11.2009

I have

[code=html]<select name=”Unit” id=”Unit” size=”1″>

<option> — Choose — </option>
<option>1</option>
<option>2</option>
<option>3</option>
<option>4</option>
</select>[/code]

How can I populate a hidden field the value that is chosen in list above?

[code=html]<input type=”hidden” id=”test” name=”test” value=”??”;>
[/code]

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JavaScript

4 Comments(s) ↴

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@FangMay 11.2009 — &lt;select name="Unit" id="Unit" size="1" [COLOR="Blue"]onchange="document.getElementById('test').value=this.value"[/COLOR]&gt;

<i> </i> &lt;option [COLOR="Blue"]value=""[/COLOR]&gt; -- Choose -- &lt;/option&gt;
<i> </i> &lt;option [COLOR="Blue"]value="1"[/COLOR]&gt;1&lt;/option&gt;
<i> </i> &lt;option [COLOR="Blue"]value="2"[/COLOR]&gt;2&lt;/option&gt;
<i> </i> &lt;option [COLOR="Blue"]value="3"[/COLOR]&gt;3&lt;/option&gt;
<i> </i> &lt;option [COLOR="Blue"]value="4"[/COLOR]&gt;4&lt;/option&gt;
<i> </i> &lt;/select&gt;
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@martin111authorMay 11.2009 — &lt;select name="Unit" id="Unit" size="1" [COLOR="Blue"]onchange="document.getElementById('test').value=this.value"[/COLOR]&gt;

<i> </i> &lt;option [COLOR="Blue"]value=""[/COLOR]&gt; -- Choose -- &lt;/option&gt;
<i> </i> &lt;option [COLOR="Blue"]value="1"[/COLOR]&gt;1&lt;/option&gt;
<i> </i> &lt;option [COLOR="Blue"]value="2"[/COLOR]&gt;2&lt;/option&gt;
<i> </i> &lt;option [COLOR="Blue"]value="3"[/COLOR]&gt;3&lt;/option&gt;
<i> </i> &lt;option [COLOR="Blue"]value="4"[/COLOR]&gt;4&lt;/option&gt;
<i> </i> &lt;/select&gt;
[/QUOTE]

I have your code first, then I have my own code,

[code=html]<input type="hidden" id="test" name="test" value="";>[/code]

Do I then remove the value that I have given this hidden field?

Because it my hidden field is empty
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@FangMay 11.2009 — It's initial value can be anything you like.
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@martin111authorMay 12.2009 — That works great, thank you very much. ?
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