javascript foreach
var colors = ['red', 'blue', 'green'];
colors.forEach(function(color) {
console.log(color);
});javascript foreach
var colors = ['red', 'blue', 'green'];
colors.forEach(function(color) {
console.log(color);
});foreach javascript
var items = ["item1", "item2", "item3"]
var copie = [];
items.forEach(function(item){
copie.push(item);
});boucle foreach js
let listeDePays = ['France', 'Belgique', 'Japon', 'Maroc'];
listeDePays.forEach(pays => console.log(pays));what foreach method returns in javascript
function double(arr) {
return arr.forEach(num => num*2);
}
console.log(double([1,2,3,4])) //undefinedjavascript forEach return
const list = [{ name: "John", age: 36 },{ name: "Jack", age: 17 }];
// if you just have to FIND an object with a specific value,
// use Array.prototype.find:
const foundHim = list.find( person => person.name === "John" );
console.log( foundHim );
// if you still want to / need to RETURN the object / value
let returnedHim;
list.forEach( person => {
if ( person.age === 17 ) {
returnedHim = person;
}
});
console.log( returnedHim )Copyright © 2021 Codeinu
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