Map.entries() function in JavaScript

Javascript Web Development Front End Scripts

The entries() 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.entries()

Example

Live Demo

<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');
      var it = mapVar.entries();
      for(i=0; i<mapVar.size; i++) {
         document.write(it.next().value);
         document.write(" <p> ");
      }
   </script>
</body>
</html>

Output

1,Java

2,JavaFX

3,HBase

4,Neo4j

Example

Live Demo

<html>
<head>
   <title>JavaScript Example</title>
</head>
<body>
   <script type="text/javascript">
      var mapVar = new Map();
      mapVar.set('1', 'Raju');
      mapVar.set('2', 'Ram');
      mapVar.set('3', 'Rahim');
      mapVar.set('4', 'Robert');
      var it = mapVar.entries();
      document.write(it.next().value);
      document.write("<br>");
      document.write(it.next().value);
   </script>
</body>
</html>