The forEach() function of Map object returns an iterator of the corresponding Map object and using this you can retrieve the key Value pairs of the map.
Syntax
Its Syntax is as follows
mapVar.forEach()
Example
<html>
<head>
<title>JavaScript Example</title>
</head>
<body>
<script type="text/javascript">
var mapVar = new Map();
mapVar.set('1', 'Java');
mapVar.set('2', 'JavaFX');
mapVar.set('3', 'HBase');
mapVar.set('4', 'Neo4j');
function show(values) {
document.write(values);
document.write("<br>");
}
mapVar.forEach(show);
</script>
</body>
</html>Output
Java JavaFX HBase Neo4j