for loop to read an array javascript code example

Example 1: javascript code to loop through array

var colors = ["red","blue","green"];
for (var i = 0; i < colors.length; i++) {
    console.log(colors[i]);
}

Example 2: iterate through list javascript

const array = ["hello", "world"];

for (item of array) {
	//DO THIS
}

Example 3: javascript best way to loop through array

var len = arr.length;
while (len--) {
    // blah blah
}