Comma expression

Useless example of comma expression usage.

by mmarcon

JavaScript

var a = [], i = 0, j = 0;
a [0] = ['a', 'b', 'c'];
a [1] = ['d', 'e', 'f'];
a [2] = ['g', 'h', 'i'];

do {
    document.write(a[i][j] + '<br/>');
} while (i++, j++, i < a.length);