javascript foreach loop get index code example
Example 1: javascript foreach index
users.forEach((user, index)=>{
console.log(index);
});
Example 2: javascript enumerate with index
const iterable = [...];
for (const [index, elem] in iterable.entries()) {
f(index, elem);
}
iterable.forEach((elem, index) => {
f(index, elem);
});
Example 3: js get index from foreach
var myArray = [123, 15, 187, 32];
myArray.forEach(function (value, i) {
console.log('%d: %s', i, value);
});
Example 4: foreach javascript
Used to execute the same code on every element in an array
Does not change the array
Returns undefined