js forEach for number code example
Example 1: javascript foreach
var colors = ['red', 'blue', 'green'];
colors.forEach(function(color) {
console.log(color);
});
Example 2: foreach javascript
let words = ['one', 'two', 'three', 'four'];
words.forEach((word) => {
console.log(word);
});
// one
// two
// three
// four
Example 3: javascript .foreach
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']