JSFiddle - React, Tailwind, and code Playground

by refhat

HTML

My Array

JavaScript

var a = [];

a[0] = [];
a[0][0] = "1";
a[0][1] = "2";

a[1] = [];
a[1][0] = "1";
a[1][1] = "2";

a[2] = [];
a[2][0] = "1";
a[2][1] = "2";

for (i = 0; i < a[i].length; i++) {
    for (j = 0; j < a.length; j++) {
        document.write(a[j][i]);
    }
}