[Javascript] deleting all options

[Andrew Crawford]

It works in Firefox, Opera, and Safari, too.

I'm curious whether there is a good reason not to do it this way
(setting length to 0).

Andrew Crawford

James Conley wrote:
> Oddly enough this works in IE - does it work in other browsers as well?
> Normally .length is read-only for arrays and such.
>  
> 
> james c
> 
>  
> 
> ------------------------------------------------------------------------
> *From:* javascript-bounces at LaTech.edu
> [mailto:javascript-bounces at LaTech.edu] *On Behalf Of *Peter Brunone
> *Sent:* Wednesday, February 01, 2006 10:53 AM
> *To:* javascript at LaTech.edu
> *Subject:* Re: [Javascript] deleting all options
> 
> Can you still set options.length = 0?
> 
> Also, innerHTML = "" comes to mind (this might possibly be fastest,
> though not supported by earlier browsers)...
> 
> Peter
> 
> *From*: "Nick Fitzsimons" nick at nickfitz.co.uk <mailto:nick at nickfitz.co.uk>
> 
>> i dynamically fill a .
>> when i do it twice the first created options still are in the new select.
>>
>> now i need ans easy function to clear the
> you can use
> 
> // get reference to element
> var element = document.getElementById("mySelect");
> // remove all children of element
> while (element.firstChild) {
> element.removeChild(element.firstChild);
> }
> 
> As you presumably already have a variable reference to the select, adjust
> accordingly.
> 
> The while loop there is a general purpose way of removing all the child
> nodes of any element, so depending on your needs, you may find it useful
> to move it into a function.
> 
> HTH,
> 
> Nick.
> -- 
> Nick Fitzsimons
> http://www.nickfitz.co.uk/
> 
> 
> ------------------------------------------------------------------------
> 
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