arrayIndexOf Using ArrayIndexOf , find the matched items from array collection. If array items are matched then returns true otherwise returns false. For Example filter an observable array collection using indexOf() . var filterAnArrayByArrayIndexOf = function (Text) { try { var filterText = Text.toLowerCase(); if (!filterText) { return selectionList(); } else { if (selectionList().length > 0) { return ko.utils.arrayFilter(selectionList(), function (item) { if (item.SelectionLabel.toLowerCase().indexOf(filterText) > -1 || item.SelectionDescription.toLowerCase().indexOf(filterText) > -1) { return true ; } else { return false ;
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