The Number.MIN_VALUE property belongs to the static Number object. It represents constants for the smallest possible positive numbers that JavaScript can work with.
This constant has actual value 5 x 10-324
The syntax to use MIN_VALUE is −
var val = Number.MIN_VALUE;
Try the following example.
<html> <head> <script type="text/javascript"> <!-- function showValue() { var val = Number.MIN_VALUE; alert("Value of Number.MIN_VALUE : " + val ); } //--> </script> </head> <body> <p>Click the following to see the result:</p> <form> <input type="button" value="Click Me" onclick="showValue();" /> </form> </body> </html>