filter
Executes a callback function for every single item in the array and returns only those items that pass the filter condition. An equivalent of Array.prototype.filter.
Parameters
callback Function
The function that will be executed for every item.
Returns
Array
—A new array with items that pass the filter condition.
Example - working with filter method
<script>
var arr = new kendo.data.ObservableArray([100, 10, 20, 30]);
var result = arr.filter((item) => {return item > 20})
/* The result can be observed in the DevTools(F12) console of the browser. */
console.log(arr)
console.log(result)
</script>