JavaScript Iterator forEach()
Example
// Create an Iterator
const myIterator = Iterator.from("123456789");
// Iterate over all elements
let text = "";
myIterator.forEach (function(value) {
text += value;
})
Try it Yourself »
Description
The forEach() method invokes a callback function once for each element
in an iterator.
The forEach() method does not change the original iterator.
Syntax
iterator.forEach(callback)
Parameters
| Parameter | Description |
| callback | Required. A function to execute for each element. |
Return Value
| NONE |
Browser Support
iterator.forEach() is an ES2025 feature.
ES2025 is fully supported in all modern browsers since May 2025:
| Chrome 135 | Edge 135 | Firefox 129 | Safari 18.2 | Opera 120 |
| Apr 2025 | Apr 2025 | Aug 2024 | Des 2024 | May 2025 |
