Value range

Number.MIN_VALUE represents the smallest value in JavaScript. Number.MAX_VALUE stores the largest number. Number.NEGATIVE_INFINITY is the negative infinity. Number.POSITIVE_INFINITY is the positive infinity.

isFinite() function determines if a value is finite. This function returns true if the argument is between the minimum and the maximum values:

 
<!DOCTYPE html>
<html>
<head>
    <title>Number Example</title>
    <script type="text/javascript">
          
            var result = Number.MAX_VALUE + Number.MAX_VALUE; 
            document.writeln(isFinite(result)); 

       
    </script>
</head>
<body>
</body>
</html>
Click to view the demo
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Data Types:
  1. JavaScript Data Types
  2. typeof Operator
  3. The Undefined Type
  4. null Type
  5. null vs undefined
  6. Boolean Type
  7. Boolean() casting function
  8. The Literials of Number Type
  9. Octal Integer
  10. Hexadecimal
  11. Floating-Point Values
  12. Value range
  13. NaN
  14. Number Conversions:Number(), parseInt() and parseFloat()
  15. Number() function
  16. parseInt()
  17. parseFloat()
  18. The String Type
  19. String Literals and Escapes
  20. Get the String Length
  21. Converting to a String with toString() method
  22. Convert Number to String with radix
  23. Convert to String with String() casting function