The get() function of Map object accepts a key in string format and returns its respective value.
Syntax
Its Syntax is as follows
mapVar.get()
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');
document.write(mapVar.get('3'));
</script>
</body>
</html>Output
HBase