Prototype - Object toHTML() Method

This method returns the return value of obj's to HTML method if it exists, else runs obj through String.interpret method.

Syntax

Object.toHTML(obj);

Return Value

Returns the return value of obj's to HTML method if it exists, else runs obj through String.interpret method.

Example

<html>
   <head>
      <title>Prototype examples</title>
      <script type = "text/javascript" src = "/javascript/prototype.js"></script>
      
      <script>
         var Bookmark = Class.create({
            initialize: function(name, url) {
               this.name = name;
               this.url = url;
            },
            toHTML: function() {
               return '<a href = "#{url}">#{name}</a>'.interpolate(this);
            }
         });
         var api = new Bookmark('Prototype', 'http://prototypejs.org');

         function showResult() {
            alert("Test 1: " + Object.toHTML(api));
            alert("Test 2: " + Object.toHTML("Hello world!"));
            alert("Test 3: " + Object.toHTML());
            alert("Test 4: " + Object.toHTML(null));
            alert("Test 5: " + Object.toHTML(undefined));
            alert("Test 6: " + Object.toHTML(true));
            alert("Test 7: " + Object.toHTML(false));
            alert("Test 8: " + Object.toHTML(123));
         }
      </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_basic_object.htm