JavaScript Map delete() method
The JavaScript map delete() method eliminates the specified element from a Map object. Syntax: mapObj.delete() Example: <!DOCTYPE html> <html> <body> <script> var hello=new Map(); hello.set(“GOOD MORNING”); hello.set(“GOOD AFTERNOON”); hello.set(“GOOD EVENING”); hello.set(“GOOD NIGHT”); document.writeln(“Number of elements: “+ hello.size+”<br>”); hello.delete(“GOOD NIGHT”); document.writeln(“Number of elements: “+hello.size); </script> </body> </html>