JavaScript Map clear() method

JavaScript Map clear() method

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The JavaScript map clear() method eliminates all the elements from a Map object. Syntax: mapObj.clear() 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.clear(); document.writeln(“Number of elements: “+hello.size); </script> </body> </html>