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Re: Get droplist index value by name?

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fredag 15 oktober 2021 kl. 08:41:19 UTC+2 skrev Jonas Thörnvall:
> I have a dropdown "select option list" holding midi portIDs. 
> So reading the dropdown i know the name of available midiports. 
> 
> I can visualy inspect to know the index of the ID i want. 
> 
> But how can i use the ID to retrieve the index? 
> ctrlportindex=parent.document.getElementById("parent.out_portsel").value // "FW1884 Control" 
> 
> It is the the index of the Id of element out_portsel i am looking for? 
> 
> Maybe i am doing it backward but i use the index to select output port. 
> In this case i know the "id" i want, but want is its index in the dropdownlist?
I could probably loop through the id's equal to "x" and read out the index by loop counter.
But it seem a "A BIT IDIOTIC" if there already is a function for retrieving it.

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Get droplist index value by name? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-10-14 23:41 -0700
  Re: Get droplist index value by name? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-10-14 23:47 -0700
    Re: Get droplist index value by name? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-10-14 23:49 -0700
      Re: Get droplist index value by name? Jonas Thörnvall <jonas.thornvall@gmail.com> - 2021-10-15 00:18 -0700

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