"Flatten Array"

1 vararr=[1,[[[7,2],8,9],3]];2     functionF (arr) {3         if(Object.prototype.toString.call (arr)! = "[Object Array]")4             return;5         varNEWARR = [];6         varJ=0;7     functionfn (arr) {8          for(vari = 0; i < arr.length; i++) {//iterating through an array9             if(Arr[i].length && (j<=3)) {//the judgment is not a multidimensional array. J settings can be selected from left to right to shoot several times, remove can be completely flatTenJ+=1; OneFN (Arr[i]);//Recursive invocation A}Else{ - Newarr.push (Arr[i]); -             } the         } -     } - fn (arr); -     returnNEWARR; + } -Arr=f (arr); +Console.log (arr);

Original address: http://www.cnblogs.com/iglass/p/4423390.html

"Flatten Array"