在 ES5 中把函数参数转换为数组:
function foo() {
console.log([].slice.call(arguments))
}
foo(1, 2, 3)
// yield [1, 2, 3]在 ES6 中:
function foo(...args) {
console.log(args)
}
foo(1, 2, 3)
// yield [1, 2, 3]反之，把数组转换为函数参数来使用:
Math.max(...[13, 7, 30])
// equals to
Math.max(13, 7, 30)参考资料:
egoist / you-dont-know-es6
《You don't know front-end》series - ECMAScript 2015
12
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