js中怎么合并相同数组对象数据答:var a = [ 1, 2, 3, 4, 5, 6, 7, 8, 9 ];var b = [ "foo", "bar", "baz", "bam", "bun", "fun" ];var c = a.concat( b );a; // [1,2,3,4,5,6,7,8,9]b; // ["foo","bar","baz","bam","bun",...
js如何遍历var arr=[[1,5,6],[4,[4,55],2],[52,[45,[78,96],58],47...答:var arr=[[1,5,6],[4,[4,55],2],[52,[45,[78,96],58],47]];checkit(arr);function checkit(arr){ // 用isNaN() 判断是否是数字不是就 if (isNaN(arr)){ alert( arr); }else{ for (var i=0; i<arr.length;i++){ checkit(arr[i]); } ...