forEach() – Action for each Element of Array
array.forEach(element => {
//code
});
//or
array.forEach(action);
array
is an array of elementsforEach
is the array method name- action is a function that can take element as argument
forEach()
method executes the given block of code, or action, for each element of the array
Examples
1. execute a function printElementLength()
for each element of the array fruits
function printElementLength(element) {
console.log(element + ' - ' + element.length);
}
let fruits = ['apple', 'banana', 'cherry', 'fig'];
fruits.forEach(printElementLength);
2. execute a block of code for each element of the array fruits
let fruits = ['apple', 'banana', 'cherry', 'fig'];
fruits.forEach(element => {
console.log(element + ' - ' + element.length);
});