function loop array return value code example

Example 1: javascript iterate array

var txt = "";
var numbers = [45, 4, 9, 16, 25];

numbers.forEach(function(value, index, array) {
  txt = txt + value + "<br>";
});

Example 2: js loop array

let colors = ['red', 'green', 'blue'];
for (const color of colors){
    console.log(color);
}