Web | This Site

Learn Prototype
Prototype Resources
Selected Reading
© 2011 TutorialsPoint.COM

| Home |  | References |  | Discussion Forums |  | About TP

# Prototype round() Method

This method rounds the number to the nearest integer.

## Syntax:

    number.round();

## Return Value:

- Rounds the number to the nearest integer.

## Example:

    <html>
    <head>
    <title>Prototype examples</title>
    <script type="text/javascript"
       src="/javascript/prototype.js">
    </script>
    <script>

    function showResult(){

       alert( "Math.round(4.5) : " + Math.round(4.5) );
       alert( "(4.5).round()  : " + (4.5).round() );
       alert( "(4.49).round()  : " + (4.49).round()  );
       alert( "(-4.5).round()  : " + (-4.5).round()  );
    }

    </script>
    </head>

    <body>

      <p>Click the button to see the result.</p>
      <br />
      <br />
      <input type="button" value="Result" onclick="showResult();"/>

    </body>
    </html>

To understand it in better way you can Try it yourself.

Advertisement

Online Image Processing

Indian Baby Names