es6 forEach
const array1 = ['a', 'b', 'c'];
array1.forEach((element) => {
console.log(element)
});
// expected output: "a"
// expected output: "b"
// expected output: "c"
es6 forEach
const array1 = ['a', 'b', 'c'];
array1.forEach((element) => {
console.log(element)
});
// expected output: "a"
// expected output: "b"
// expected output: "c"
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']
foreach javascript
let names = ['josh', 'joe', 'ben', 'dylan'];
// index and sourceArr are optional, sourceArr == ['josh', 'joe', 'ben', 'dylan']
names.forEach((name, index, sourceArr) => {
console.log(color, idx, sourceArr)
});
// josh 0 ['josh', 'joe', 'ben', 'dylan']
// joe 1 ['josh', 'joe', 'ben', 'dylan']
// ben 2 ['josh', 'joe', 'ben', 'dylan']
// dylan 3 ['josh', 'joe', 'ben', 'dylan']
for each array javascript
var fruits = ["apple", "orange", "cherry"];
fruits.forEach(getArrayValues);
function getArrayValues(item, index) {
console.log( index + ":" + item);
}
/*
result:
0:apple
1:orange
2:cherry
*/
for each javascript
const movies = [
{name: "A New Hope", director: "George Lucas", release: "1977-05-25", episodeID: 4},
{name: "Attack of the Clones", director: "George Lucas", release: "2002-05-16", episodeID: 2},
{name: "Return of the Jedi", director: "Richard Marquand", release: "1983-05-25", episodeID: 6},
{name: "Revenge of the Sith", director: "George Lucas", release: "2005-05-19", episodeID: 3},
{name: "The Empire Strikes Back", director: "Irvin Kershner", release: "1980-05-17", episodeID: 5},
{name: "The Phantom Menace", director: "George Lucas", release: "1999-05-19", episodeID: 1}
]
movies.forEach((movies) => {
console.log(movies.name);
});
/*A New Hope
Attack of the Clones
Return of the Jedi
Revenge of the Sith
The Empire Strikes Back
The Phantom Menace*/
es6 foreach dom element
//es6
Array.from(els).forEach((el) => {
});
//old shit
Array.prototype.forEach.call(els, function(el) {
// Do stuff here
console.log(el.tagName);
});
// Or
[].forEach.call(els, function (el) {...});
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