Knockoutjs template foreach, special first item
check my answer for another question about the first element in KnockoutJS foreach
Skip item in foreach knockout js array?
<div data-bind="text: ItemsArray[0].someProperty"></div>
<div data-bind="foreach: ItemsArray">
<!-- ko if: $index() == 0 -->
<div data-bind="text: someProperty"></div>
<!-- /ko -->
<!-- ko if: $index() != 0 -->
<div data-bind="text: anotherDifferentProperty"></div>
<!-- /ko -->
</div>