Array#filter for older browsers.
var filter = ;var array = 1 2 3;console;// => 
filter(arr, fn[, self])
Return an array with elements of
arr for which
fn returns a truthy value.
fn is called with
el: The current element
i: The element's index
arr: The whole array
Optionally pass in
self as the
this value for
With npm do
$ npm install array-filter
Then bundle for the browser with browserify.
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