foreach javascript
let words = ['one', 'two', 'three', 'four'];
words.forEach((word) => {
console.log(word);
});
// one
// two
// three
// fourforeach javascript
let words = ['one', 'two', 'three', 'four'];
words.forEach((word) => {
console.log(word);
});
// one
// two
// three
// fourforeach javascript
var items = ["item1", "item2", "item3"]
var copie = [];
items.forEach(function(item){
copie.push(item);
});array.foreach
const arr = [0, 3, "hola", "hello", ";", true, [3, 6, 1]];
arr.forEach((element, index) => {
console.log(element, index);
});
//output:
// 0 0
// 3 1
// hola 2
// hello 3
// ; 4
// true 5
// [3, 6, 1] 6forEach
const arraySparse = [1,3,,7]
let numCallbackRuns = 0
arraySparse.forEach((element) => {
console.log(element)
numCallbackRuns++
})
console.log("numCallbackRuns: ", numCallbackRuns)
// 1
// 3
// 7
// numCallbackRuns: 3
// comment: as you can see the missing value between 3 and 7 didn't invoke callback function.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
*/boucle foreach js
let listeDePays = ['France', 'Belgique', 'Japon', 'Maroc'];
listeDePays.forEach(pays => console.log(pays));Copyright © 2021 Codeinu
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