What is Unary Negation Operator (-) in JavaScript?

JavascriptWeb DevelopmentFront End Technology

The Unary Negation Operator is used to convert the operand into a number. After that it negates.

Example

You can try to run the following code to learn how to work with Unary Negation Operator in JavaScript −

Live Demo

<html>
   <body>
      <script>
         var a = true;
         var b = '0xFF';
         var c = "false";
         var c, d, e;
         var linebreak = "<br />";

         c = -a;
         d = -b;
         e = -c;

         document.write("-true = "+c);
         document.write(linebreak);
         document.write("-'0xFF' = " +d);
         document.write(linebreak);

         document.write("-false = " +e);
      </script>
   </body>
</html>
raja
Published on 19-Jan-2018 06:25:09
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