Prototype - match() Method

This method checks if element matches the given CSS selector.

Syntax

element.match(selector);

Return Value

Returns Boolean value. If it finds a match then it returns a true otherwise false.

Example

<html>
   <head>
      <title>Prototype examples</title>
      <script type = "text/javascript" src = "/javascript/prototype.js"></script>
      
      <script>
         function showResult() {
            if( $('fruits').match('ul') ) {
            alert( " $('fruits').match('ul') returns true " );
            } else {
               alert( " $('fruits').match('ul') returns false " );
            }
            
            if( $('mcintosh').match('li#mcintosh.yummy') ) {
               alert("$('mcintosh').match('li#mcintosh.yummy') returns true");
            } else {
               alert("$('mcintosh').match('li#mcintosh.yummy') returns false");
            }

            if( $('fruits').match('p') ) {
               alert( " $('fruits').match('p') returns true " );
            } else {
               alert( " $('fruits').match('p') returns false " );
            }
         }
      </script>
   </head>

   <body>
      <p>Click the button to see the result.</p>
      
      <ul id = "fruits">
         <li id = "apples">
            <ul>
               <li id = "golden-delicious">Golden Delicious</li>
               <li id = "mutsu" class = "yummy">Mutsu</li>
               <li id = "mcintosh" class = "yummy">McIntosh</li>
               <li id = "ida-red">Ida Red</li>
            </ul>
         </li>
      </ul>
      <br />
      
      <input type = "button" value = "Show Result" onclick = "showResult();"/>
   </body>
</html>

Output

prototype_element_object.htm