for loop on a array
var array = [1, 2, 3, 4, 5]; // made an array for (var i = 0; array[i]; i++) // browse your array with this simple condition on index console.log('element '+i+' = '+array[i]); //output: element 0 = 1 element 1 = 2 element 2 = 3 element 3 = 4 element 4 = 5