掌心里的海（武武）

用类选择符class和标识选择符id来定义选择符的好处是：
依赖于class或者id，你可以不同地表现相同的HTML元素。
在CSS中，类选择符在一个半角英文句点（.）之前，而id则在半角英文井号（#）之前。
class的一个例子：#top { background-color: #ccc; padding: 1em }
id的一个例子: .intro { color: red; font-weight: bold; }
在HTML中调用CSS的连接用属性id和class的例子如下：
<div id="top"> <h1>Chocolate curry</h1> <p class="intro">This is my recipe for making curry purely with chocolate</p> <p class="intro">Mmm mm mmmmm</p> </div>

id和class不同之处在于，id用在唯一的元素上，而class则用在不止一个的元素上。

掌心里的海（武武） › Create New Post — Wordpress Cognotent

This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes. This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes.

 More… This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes.

 More… This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes.

 More… This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes.

 More… This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes.

 More… This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes.

 More… This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes.

 More… This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes.

 More… This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes.

 More… This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes.

 More… This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes.

 More…

 More… This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes.

 More… This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes.

 More… This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes.

 More… This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes.

 More… This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes.

 More… This is a template designed by free website templates for you for free you can replace all the text by your own text. This is just a place holder so you can see how the site would look like.

If you’re having problems editing the template Please don’t hesitate to ask for help on the forum. You will get help as soon as possible. You can also use the forum to tell us what you like or dislike and what you would like to see more.

Your feedback is very important to us and we will do everything to fulfill your wishes.

 More…

WEB标准不是某一个标准，而是一系列标准的集合。网页主要由三部分组成：结构（Structure）、表现的ECMAScript标准。我们来简单了解一下这些标准WEB标准不是某一个标准，而是一系列标准的集合。网页主要由三部分组成：结构（Structure）、表现（Presentation）和行为（Behavior）。对应的标准也分三方面：结构化标准语言主要包括XHTML和XML，表现标准语言主要包括CSS，行为标准主要包括对象模型（如W3C DOM）、ECMAScript等。这些标准大部分由W3C起草和发布，也有一些是其他标准组织制订的标准，比如ECMA（European Computer

WEB标准

WEB标准不是某一个标准，而是一系列标准的集合。网页主要由三部分组成：结构（Structure）、表现（Presentation）和行为（Behavior）。对应的标准也分三方面：结构化标准语言主要包括XHTML和XML，表现标准

学习中