Prototype - toPaddedString() Method

This method converts the number into a string padded with 0s so that the string's length is at least equal to length. Takes an optional radix argument which specifies the base to use for conversion.

Syntax

number.toPaddedString(length[, radix]);

Return Value

Returns a string.

Example

<html>
   <head>
      <title>Prototype examples</title>
      <script type = "text/javascript" src = "/javascript/prototype.js"></script>
      
      <script>
         function showResult() {
            alert("(13).toPaddedString(4) : " + (13).toPaddedString(4) );
            alert("(13).toPaddedString(2) : " + (13).toPaddedString(2) );
            alert("(13).toPaddedString(1) : " + (13).toPaddedString(1) );
            alert("(13).toPaddedString(4, 2): " + (13).toPaddedString(4, 2));
         }
      </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