var arr = []; //is a multidimensional array.
var barr = []; //is a temp array that is dynamically updated
var key = "key1"
arr.push(key, barr);
var arr = []; //is a multidimensional array.
v
阅读背景：
将数据推送到特定索引处的2d数组内的数组中
来源：互联网
分享到：
