JavaScript Number - POSITIVE_INFINITY

Description

This is a special numeric value representing any value greater than Number.MAX_VALUE. This value is represented as "Infinity". It resembles an infinity in its mathematical behavior. For example, anything multiplied by POSITIVE_INFINITY is POSITIVE_INFINITY, and anything divided by POSITIVE_INFINITY is zero.

As POSITIVE_INFINITY is a constant, it is a read-only property of Number.

Syntax

Use the following syntax to use POSITIVE_INFINITY.

var val = Number.POSITIVE_INFINITY;

Example

Try the following example to learn how use POSITIVE_INFINITY.

Live Demo

<html>
   <head>      
      <script type = "text/javascript">
         <!--
            function showValue() {
               var bigNumber = Number.MAX_VALUE * 2               
               if (bigNumber == Number.POSITIVE_INFINITY) {
                  alert("Value of bigNumber : " + bigNumber );
               }
            }
         //-->
      </script>      
   </head>
   
   <body>
      <p>Click the following to see the result:</p>      
      <form>
         <input type = "button" value = "Click Me" onclick = "showValue();" />
      </form>      
   </body>
</html>

Output

javascript_number_object.htm