Is there a simple way to know the starting value of a select?

I'd like to do this simply without saving the starting value of the select in an object.

if i have (when i load the dom):

<select>
  <option value='1' selec开发者_运维问答ted>one</option>
  <option value='2' >Two</option>

and than i later change the selection so that another option is selected, is there some kind of property that stores the value of the option that was originally selected?

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I think this sholud work:

$("select option[selected]").val()

fiddle: http://jsfiddle.net/4dCMd/

Tested this way in different browsers: seems to be broken in IE7/8, works in last Chrome, FF and IE9

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You should use the defaultSelected property of the options object to test if it was selected by default.

http://www.javascriptkit.com/jsref/select.shtml

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use this

$('select').find('option[selected]').val();

DEMO

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$('select').each(function(){
  $(this).data('originalValue',$(this).val());
});

You could do this on .ready. It'll store the default values of every select in it's data object.

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Oh just re-read your question and you said that's exactly what you don't want. Well, i don't think there's another efficient way to do it so i'll leave it here anyway.

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simple to use filter to get any default selected options:

var def = $("select > option").filter(function () { 
    return this.defaultSelected; 
});

DEMO

DefaultSelected

Reflects the value of the selected HTML attribute. which indicates whether the option is selected by default.