--- tags: JAVASCRIPT --- 【js筆記】展開與其餘 === ```javascript= let groupA = ['小明', '杰倫', '阿姨']; let groupB = ['老媽', '老爸']; let groupAll = [...groupA, ...groupB] ``` ```javascript= var originCash = 1000; function updateEasyCard() { let arg = [...arguments] console.log(arg) let sum = arg.reduce(function (accumulator, currentValue) { return accumulator + currentValue; }, 0); console.log('我有 ' + sum + ' 元'); } updateEasyCard(0); // 我有 1000 元 updateEasyCard(10, 50, 100, 50, 5, 1, 1, 1, 500); // 我 ``` ```javascript= function moreMoney(ming, ...money) { console.log(ming, money); } moreMoney('小明', {name: '小華'}, 100, 200, 300, 400) ```