Access non object in observableArray

Question

Refer to this example. I got an array named Header (store name for table header) and another array named Type (store class name for each column). I wonder how to get access to the Type array using Header index.

Tom W Hall · Accepted Answer · 2012-08-02 09:30:58Z

1

It appears that in a binding expression like that you need to call $index with brackets, i.e.:

$root.Type()[$index()]

Updated fiddle: http://jsfiddle.net/KuzGf/1/

answered Aug 2, 2012 at 9:30

Tom W Hall

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Tom W Hall Over a year ago

No worries. The reason you need the brackets here is because the value of $index itself forms part of the binding expression which determines the value for "class". If you were binding to $index in isolation (e.g. to just render the index in a span) you wouldn't need it.

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