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JavaScript set entries | Method

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JavaScript set entries method returns an iterator object which holds the contents of the current Set. This object contains an array of [value, value] for each element. It maintains insertion order.

setObj.entries()  

JavaScript set entries

Simple example code to understand entries() method.

<!DOCTYPE html>
<html>
<body>
  <script>
   const set1 = new Set();
   set1.add(100);
   set1.add('ABC');

   const iterator1 = set1.entries();

   for (const entry of iterator1) {
    console.log(entry);
  }

</script>
</body>
</html>

Output:

JavaScript set entries method

More examples

const mySet = new Set();
mySet.add('foobar');
mySet.add(1);
mySet.add('baz');

const setIter = mySet.entries();

console.log(setIter.next().value); // ["foobar", "foobar"]
console.log(setIter.next().value); // [1, 1]
console.log(setIter.next().value); // ["baz", "baz"]

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

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