jquery.extend()用來擴展jquery中方法,實現插件。javascript
擴展jQuery靜態方法.css
用法: $.test()html
上述兩個雖然說叫詳解,講解都很簡略,下面這篇好一點。java
jQuery.extend(object);爲擴展jQuery類自己.爲類添加新的方法。
jQuery.fn.extend(object);給jQuery對象添加方法。jquery
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>test</title> </head> <body> <h3 class="ye">默認</h3> <h3 class="ye">默認</h3> <h3 class="ye">默認</h3> <h3 class="ye">默認</h3> <script type="text/javascript" src="jquery.min.js"></script> <script type="text/javascript"> jQuery.fn.myPlugin = function(options) { $options = $.extend( { html: "方法自帶值", css: { "color": "red", "font-size":"14px" }}, options); return $(this).css({ "color": $options.css.color, }).html($options.html); } $('.ye').myPlugin({html:"新的內容",css:{"color":"green","font-size":"20px"}}); </script> </body> </html>