foreach loop javascript code example

Example 1: javascript foreach

const avengers = ['thor', 'captain america', 'hulk'];
avengers.forEach((item, index)=>{
	console.log(index, item)
})

Example 2: foreach loop javascript

const numList = [1, 2, 3];

numList.forEach((number) => {
  console.log(number);
});

Example 3: foreach loop javascript

listName.forEach((listItem) => {
  Logger.log(listItem);
}):

Example 4: foeach in js

let colors = ['red', 'blue', 'green'];
// idx and sourceArr optional; sourceArr == colors
colors.forEach(function(color, idx, sourceArr) {
	console.log(color, idx, sourceArr)
});
// Output:
// red 0 ['red', 'blue', 'green']
// blue 1 ['red', 'blue', 'green']
// green 2 ['red', 'blue', 'green']