Jquery multidimensional array not working

Question

I'm trying to do a multidimensional array in jquery.

var exclude_array = {}; 
$(this).siblings("tr[data-id='" + id + "']").each(function() {
    var id = $(this).attr("data-id");
    var item_id = $(this).children("td:eq(3)").find("input[name='exclude']").attr("data-item_id");
    exclude_array[id][] = item_id;
});

I get the error Uncaught SyntaxError: Unexpected token ], with exclude_array[id][] How do i solve?

what should your code doing?? or what you expect output to be?? — Mohamed-Yousef
– Mohamed-Yousef, Commented Nov 1, 2015 at 14:21
exclude_array[id] should be an array. So exclude_array[id][0],exclude_array[id][1] etc — user892134
– user892134, Commented Nov 1, 2015 at 14:23

Antti29 · Accepted Answer · 2015-11-01 14:21:24Z

1

It seems you're trying to push the item_id into exclude_array. The array[] syntax is not used in JavaScript. Instead, you must use .push().

Before that, make sure that the key is defined and that it is an array.

if (exclude_array[id] === undefined)
    exclude_array[id] = [];
exclude_array[id].push(item_id);

answered Nov 1, 2015 at 14:21

Antti29

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