JavaScript – Map forEach()

JavaScript Map.forEach() is used to execute a given function for each of the key-value pair in this Map.

Syntax

The syntax to call forEach() method on a Map map1 is

map1.forEach (function(value, key) {
    //code
})
ADVERTISEMENT

Examples

In the following example, we take a Map with keys 'a', 'b', and 'c'. We shall loop through these key-value pairs using forEach() method.

index.html

Conclusion

In this JavaScript Tutorial, we learned how to use Map.forEach() method in JavaScript, with examples.