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"use strict";
var log = function log(x) {
console.log(x);
};
var ary = [10, 23, 4, 0, 77];
var even = function(x) {
return x % 2 === 0;
};
var over20 = function(x) {
return x > 20;
};
var a = ary.filter(even);
log(a); // [ 10, 4, 0 ]
var b = ary.filter(over20);
log(b); // [ 23, 77 ]
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