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select+getelementbyId+ie7

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Jul 19.2007

hi

i was working with FireFox and than i wanted to see my code in IE7. Later i found out that
<html><body>
<select name=”Verkaufspreis” id=”price” size=”1″>
<option selected=”selected”>alle Preisklassen</option>
<option>200-400 Eur</option>
<option>400-600 Eur</option>
<option>600-800 Eur</option>
<option>800-1000 Eur</option>
</select>
</body></html>
var s1 = document.getElementById(‘price’).options[document.getElementById(‘price’).selectedIndex].value;

in IE7 not working. Though it was modified from document.getElementById(‘price’).value;

both have worked in FireFox.

where did i go wrong ?

thanks

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JavaScript

4 Comments(s) ↴

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@Logic_AliJul 19.2007 — 
<option selected="selected">alle Preisklassen</option>

<option>200-400 Eur</option>

<option>400-600 Eur</option>

<option>600-800 Eur</option>

<option>800-1000 Eur</option>

var s1 = document.getElementById('price').options[document.getElementById('price').selectedIndex].value;

in IE7 not working.
[/QUOTE]This looks suspiciously like the classic "trying to read an option's value without assigning it one first" error.
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@schiggyblastauthorJul 19.2007 — newbie question: why do i in IE7 have to bother to assign value in <option> to use the js-code i wrote, to make it work.... but in FireFox i don't have to to that to get the same correct answer ?

thanks though for your help logic ali.
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@Logic_AliJul 19.2007 — newbie question: why do i in IE7 have to bother to assign value in <option> to use the js-code i wrote, to make it work.... but in FireFox i don't have to to that to get the same correct answer ?

thanks though for your help logic ali.[/QUOTE]The text between option tags is stored in the .text property, which Mozilla chooses to copy to the .value property if none has been assigned.
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@mrhooJul 20.2007 — There is a nice added incentive for assigning a value to an option in a select element-

You can read the select_element.options[select_element.selectedIndex].value directly from the select-

[B]var s1 = document.getElementById('price').value;[/B]

or if 'price' is a unique [B]name[/B], use

[B]var s1 = document.getElementsByName('price')[0].value;[/B]
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