JavaScript提取数组内所有元素

 1 var arrN = [[[1, "wangyuchu", 54, [123, 34, [123, 34, 16]]],"zhangsan", 25, [1, "wangyuchu", 54, [123, 34, [123, 34, [1, "wangyuchu", 54, [123, 34, [123, 34, 16]]],]]], 43], ["lisi", 21, 172], ["wangwu", 32, "suzhou"]];
 2
 3 var arrgroup=[];
 4 function recursion(obj) {
 5     if (typeof obj===‘object‘) {
 6         for (var j in obj) {
 7             if (typeof obj[j]!==‘object‘) {
 8                 arrgroup.push(obj[j]);
 9                 continue;
10             }
11             recursion(obj[j]);
12         }
13     } else {
14         arrgroup.push(obj);
15     }
16     return arrgroup;
17 }
18 console.log(recursion(arrN));