📅  最后修改于: 2022-03-11 15:02:20.706000             🧑  作者: Mango
var a = [];
a.push(["1", "2"]);
a.push(["1", "2"]);
a.push(["1", "2"]);
for(var i = 0; i < a[i].length; i++) {
for(var z = 0; z < a.length; z++) {
console.log(a[z][i]);
}
}