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<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script>
// 查找数组中最大的值
var arr = [1,2,3,4,5,6];
console.log(Math.max(...arr));
// 合并数组
var arr1 = [1,2,3];
var arr2 = ['a','b'];
console.log([...arr1,...arr2]);
// 合并对象
var obj1 = { name:'小明', age:12 };
// var obj2 = { name: '小红', age: 11 }; // 误区：定义同属性(key值)，会覆盖
var obj2 = { sex: '男', kg: '50kg' }
var obj3 = {
...obj1,
...obj2
}
console.log(obj3);
</script>
</body>
</html>