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"use strict";
var log = function log(x) {
console.log(x);
};
var ary1 = [10, 23, 4, 0, 77];
var ary2 = ['apple', 'peach', 'orange'];
var a = ary1.concat(ary2);
log(a); // [ 10, 23, 4, 0, 77, 'apple', 'peach', 'orange' ]
var b = ary1.concat(false, [null, NaN]);
log(b); //[ 10, 23, 4, 0, 77, false, null, NaN ]
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