How to do basic Maths with JavaScript Operators?

Javascript Web Development Front End Technology

To do basic Maths such as +, -, * in JavaScript, use the Operators. JavaScript includes operators for basic mathematics such as Addition, Subtraction, Multiplication, etc.

Example

You can try to run the following code to learn how to work with basic Maths i.e. Mathematical Operators in JavaScript −

<html>
   <body>
      <script>
         var a = 77;
         var b = 30;
         var c = "Demo";
         var linebreak = "<br />";
         document.write("a + b = ");
         result = a + b;
         
         document.write(result);
         document.write(linebreak);
         document.write("a - b = ");
         result = a - b;

         document.write(result);
         document.write(linebreak);
         document.write("a / b = ");
         result = a / b;

         document.write(result);
         document.write(linebreak);
         document.write("a % b = ");
         result = a % b;
         
         document.write(result);
         document.write(linebreak);
         document.write("a + b + c = ");
         result = a + b + c;

         document.write(result);
         document.write(linebreak);
         a = ++a;
         document.write("++a = ");
         result = ++a;

         document.write(result);
         document.write(linebreak);
         b = --b;
         document.write("--b = ");
         
         result = --b;
         document.write(result);
         document.write(linebreak);
      </script>
   </body>
</html>

Krantik Chavan

Published on 16-Feb-2018 07:37:32

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