javascript - How to get the value of data-* attribute in knockout js -


i'm new knockout js , have came across issue in following lines of code

<input type="checkbox" value="true"  data-bind =" attr: { id: 'chk' + action.id, value: id, 'data-id': action.id }, checked: $root.checked"  name="checkbox" class="checkbox">

i have added data-id , wanna value in knockout view model. how can knockout js

var id = action.id(); check http://jsfiddle.net/yaroslavya/xd6ej/1/. clicking different save buttons different action.id value. value connected data-id attribute.


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