JavaScript set entries() Method used to return a new Iterator object that contains an array of key-value pairs for each element in the Set object, in insertion order.
set.entries()Note: The set does not contain key-value pairs, to keep similarities with the map entries() method, it will return key-value pairs with the same value.
JavaScript set entries() examples
Simple example code.
<!DOCTYPE html>
<html>
<body>
<script >
const mySet = new Set(["apple", "banana", "orange"]);
const setIterator = mySet.entries();
for (const entry of setIterator) {
console.log(entry);
}
</script>
</body>
</html>
Output:
You can also use the spread operator (...) to convert the iterator to an array of key-value pairs:
const mySet = new Set(["apple", "banana", "orange"]);
const entriesArray = [...mySet.entries()];
console.log(entriesArray);
Do comment if you have any doubts or suggestions on this Js set method topic.
Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.
OS: Windows 10
Code: HTML 5 Version