Loops in JavaScript - Extra Tricks

printing out tables pt 2

var table = [
    ["Person",  "Age",  "City"],
    ["Sue",     22,     "San Francisco"],
    ["Joe",     45,     "Halifax"]
];
var rows = table.length ;
for (var i = 0 ; i < rows ; i++) {
    var output = '' ; 
    var cells = table[i].length ;
    for (var j = 0 ; j < cells; j++) {
        output += (j < cells - 1) ? table[i][j]+ '  ' : table[i][j] ;
    }
    console.log(output);
}