Use JQuery to Select a Select with a Given Select Value

Question

I have inherited an MVC forms that emit selects dynamically identified and named by a prefix, a guid, and a suffix. For example,

<select id="N9_ID_f0d7ca03-0221-41b7-a457-3494b9e483e3__N9QualifierID" name="N9[ID_f0d7ca03-0221-41b7-a457-3494b9e483e3].N9QualifierID"> <option value="58">Automated Export System (AES) Internal Transaction Number (ITN)</option> <option value="60">Automated Export System Export Information Code Exemption Number (Note 1)</option> <option value="59">Automated Export System Option 4 Employee Identification Number</option> <option value="8">Bill of Lading</option> <select>

There will be several selects with the same prefix and suffix. The prefix and suffix effectively partitions the selects into a class and guid ties the dynamically generated selects to other dynamically generated controls such as textboxes. I need to find the the select that has a given value so I may extract the guid and do stuff with other inputs that have that guid.

My Question:

Using JQuery, how do I select the select(s) that have a given selected value? For example, I know at least one of the selects will have a selected value of 59, but I don't know which one.

Gabriele Petrioli · Accepted Answer · 2014-12-17 16:15:12Z

This will return all selects with an option that has 59 as its value.

var selects = $('option[value="59"]').parent();

If you want the ones that have the 59 as their currently selected value then

var selects = $('option[value="59"]:selected').parent();

Then, once you have the selects, you can use the .each() to do what you want with them

selects.each(function(){ // extract guid and do whatever.. });

adeneo · Accepted Answer · 2014-12-17 16:18:42Z

You probably need the property, not the attribute (which doesn't change), so using a filter should work

$('select').filter(function() { return this.value === '59'; }).prop('id');

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