// 数组合并
let ary1 = [1, 2, 3];
let ary2 = [4, 5, 6]
let ary3 = [...ary1, ...ary2];
console.log(ary3); // [1, 2, 3, 4, 5, 6]
// 合并数组的第二种方法
let ary1 = [1, 2, 3];
let ary2 = [4, 5, 6]
ary1.push(...ary2);
console.log(ary1); // [1, 2, 3, 4, 5, 6]
var oDivs = document.getElementsByTagName(‘div‘);
console.log(oDivs);
var ary = [...oDivs];
console.log(ary);
