validate if property can do a foreach nodejs code example

Example 1: javascript foreach

var colors = ['red', 'blue', 'green'];

colors.forEach(function(color) {
  console.log(color);
});

Example 2: loop an object properties in ts

Object.keys(obj).forEach(e => console.log(`key=${e}  value=${obj[e]}`));

Example 3: javascript iterate through object attributes

for (var prop in obj) {
    if (Object.prototype.hasOwnProperty.call(obj, prop)) {
        // do stuff
    }
}