Arrays
examples/javascript/array.js
numbers = [1, 6, 4] console.log(numbers) // [1, 6, 4] console.log(numbers.length) // 3 for (var i=0; i < numbers.length; i++) { console.log(i + ' ' + numbers[i]) } /* 0 1 1 6 2 4 */ for (var i in numbers) { console.log(i) } /* 0 1 2 */