console.log('## for ##');
const colors = ['red', 'blue', 'green'];
for (let i = 0; i < colors.length; i++) {
console.log( colors[i] );
}
console.log('## while ##');
var i=0;
while (colors[i] != null) {
console.log( colors[i] );
i++;
}
console.log('## forEach ##');
colors.forEach(function(value) {
console.log(value);
});
console.log('## forEach with Arrow ##');
colors.forEach( value => console.log(value));