jQuery扩展方法

var result=$.extend({},{name:"Tom",age:21},{name:"Jerry",sex:"Boy"})

result={name:"Jerry",age:21,sex:"Boy"}

$(function() {
$.fn.myPlugin = function(options) {
$options = $.extend({
html: "no messages",
css: {
"color": "red",
"font-size": "14px"
}
},
options);
return $(this).css({
"color": $options.css.color,

}).html($options.html);
};

$('.test').myPlugin({html:"hello !",css:{"color":"green","font-size":"20px"}});
})