插入排序

 1 /*
 2 * insert:实现插入排序
 3 * ary[ARRAY] 需要排序的数组
 4 * @return 
 5 * [ARRAY] 排序后的新数组
 6 * by js0205
 7 */
 8 function insert(ary) {
 9 let handle = [];
10 handle.push(ary[0]);
11 for (let i = 0; i < ary.length; i++) {
12 let A = ary[i];
13 for (let j = handle.length - 1; j >= 0; j--) {
14 let B = handle[j];
15  if (A > B) {
16 handle.splice(j + 1, 0, A);
17 break;
18 }
19 if (j === 0) {
20 handle.unshift(A);
21 }
22 }
23 }
24 return handle;
25 }
26 let ary = [12, 8, 24, 16, 1];
27 handle = insert(ary);
28 console.log(handle);