How to get an Array with jQuery, multiple <input> with the same name

For multiple elements, you should give it a class rather than id eg:

<input type="text" class="task" name="task[]" />

Now you can get those using jquery something like this:

$('.task').each(function(){
   alert($(this).val());
});

Firstly, you shouldn't have multiple elements with the same ID on a page - ID should be unique.

You could just remove the id attribute and and replace it with:

<input type='text' name='task'>

and to get an array of the values of task do

var taskArray = new Array();
$("input[name=task]").each(function() {
   taskArray.push($(this).val());
});

Using map:

var values = $("input[id='task']")
              .map(function(){return $(this).val();}).get();

If you change or remove the id (which should be unique), you may also use the selector $("input[name='task\\[\\]']")

Working example: http://jsbin.com/ixeze3

To catch the names array, i use that:

$("input[name*='task']")

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