index foreach javascript code example
Example 1: es6 forEach
const array1 = ['a', 'b', 'c'];
array1.forEach((element) => {
console.log(element)
});
// expected output: "a"
// expected output: "b"
// expected output: "c"
Example 2: javascript enumerate with index
const iterable = [...];
for (const [index, elem] in iterable.entries()) {
f(index, elem);
}
// or
iterable.forEach((elem, index) => {
f(index, elem);
});
Example 3: forEach index
const array1 = ['a', 'b', 'c'];
array1.forEach((element, index) => console.log(element, index));