jquery插件小结

    <p>hello world!</p>
    <script type="text/javascript" src="jquery.js"></script>
    <script type="text/javascript">
    jQuery.fn.goShop = function() {
        return this.each(function() {
            jQuery(‘body‘).append(‘<div>Purchase: ‘ + this.innerHTML + ‘</div>‘);
        });
    }

    jQuery(‘p‘).goShop();

    </script>