How many elements using jquery and php

I have many <input> elements on my webpage.
Is there any way the jquery can tell me how many?

All the <input> elements have the id of theSameIDName.
Sheldon LivingstonConsultantAsked:
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chaauCommented:
You can't have the elements with the same id. Are you sure you have the elements with the same id?
To get the number of the elements use length:
Take this sample:
<input type='text' id='theSameIDName' name='theSameName'>
<input type='text' id='theSameIDName' name='theSameName'>

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And the following javascript code:
alert($("[name='theSameName']").length);

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alert($("#theSameIDName").length);

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The first alert will display 2, but the second one will display 1
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Sheldon LivingstonConsultantAuthor Commented:
You most definetalty can have elements with the same name...
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chaauCommented:
But not with the same ID. ID and name are different HTML attributes
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Sheldon LivingstonConsultantAuthor Commented:
jquery needs to be able to count elements... hopefully in a few years.  Lame
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Marco GasiFreelancerCommented:
jQuery does:

alert($(':input').length);

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See here: https://api.jquery.com/input-selector/
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