Prototype - floor() Method

This method returns the largest integer less than or equal to the number.

Syntax

number.floor();

Return Value

Returns the largest integer less than or equal to the number.

Example

<html>
   <head>
      <title>Prototype examples</title>
      <script type = "text/javascript" src = "/javascript/prototype.js"></script>
      
      <script>
         function showResult() {
            alert( "Math.floor(4.6) : " + Math.floor(4.6) );
            alert( "(4.6).floor()  : " + (4.6).floor() );
            alert( "(-4.1).floor()  : " + (-4.1).floor()  );
         }
      </script>
   </head>

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

Output

prototype_number_processing.htm