嵌套

  • 代码的规范

    代码的规范

    代码的规范,代码,的,规范,HTML,标记,不,区分,大小写,建议,,HTML标记不区分大小写,建议小写。如:HTML标记属性可有可无。有的标记是没有属性的,如:、、等双标签的内容在开始和结束标签之间,单标签没有内容。HTML标签可以相互嵌套,但一定注意是顺序嵌套,外层套内层,一层套一层...</p> <p class="bloginfo"><span><i class="icon-shijian iconfont"></i>2023-04-11</span><span class="viewmore"><i class="icon-biaoqian iconfont"></i><a href="/list/guifan.html" title="规范" class="c1" target="_blank">规范</a> <a href="/list/daxiaoxio.html" title="大小写" class="c1" target="_blank">大小写</a> <a href="/list/biaoqian.html" title="标签" class="c1" target="_blank">标签</a> </span></p> </div> </li> <li> <h3 class="blogtitle"><b></b><a href="/zhishi/ePWX.html" target="_blank">不要将选择器嵌套太深</a></h3> <span class="blogpic imgscale"> <a href="/zhishi/ePWX.html" title="不要将选择器嵌套太深"> <img src="/d/file/20230411/xxf2spnbxvp45.webp" alt="不要将选择器嵌套太深"> </a> </span> <div class="post_other"> <p class="blogtext">不要将选择器嵌套太深,不,要将,选择器,嵌套,太深,例如,html,body,,例如:html body div#head ul#navs li.active,8层嵌套当选择器嵌套太深会把自己也搞混乱浏览器对css选择器的解析规则是从右向左,如.nav li p,它会先找到页面中p标签,再往上找,所以前面写在多也起不了什么作用,只会增加查找成本。...</p> <p class="bloginfo"><span><i class="icon-shijian iconfont"></i>2023-04-11</span><span class="viewmore"><i class="icon-biaoqian iconfont"></i><a href="/list/qiantao.html" title="嵌套" class="c1" target="_blank">嵌套</a> <a href="/list/xuanzeqi.html" title="选择器" class="c1" target="_blank">选择器</a> <a href="/list/zuoyong.html" title="作用" class="c1" target="_blank">作用</a> </span></p> </div> </li> <li> <h3 class="blogtitle"><b></b><a href="/zhishi/ePMr.html" target="_blank">多个ID或者ID重复用</a></h3> <span class="blogpic imgscale"> <a href="/zhishi/ePMr.html" title="多个ID或者ID重复用"> <img src="/d/file/20230411/wz5hqyk2l1w38.webp" alt="多个ID或者ID重复用"> </a> </span> <div class="post_other"> <p class="blogtext">多个ID或者ID重复用,多个,或者,重,复用,这其,实是,一个,错误,不过,,这其实是一个错误,不过在开发中遇到也不止一两回,把id写的满页面都是,当然讲道理id是可以在页面嵌套着写,但尽量还是写在最外层。id 属性只能在每个 HTML 文档中出现一次。...</p> <p class="bloginfo"><span><i class="icon-shijian iconfont"></i>2023-04-11</span><span class="viewmore"><i class="icon-biaoqian iconfont"></i><a href="/list/fuyong.html" title="复用" class="c1" target="_blank">复用</a> <a href="/list/cuowu.html" title="错误" class="c1" target="_blank">错误</a> <a href="/list/qiantao.html" title="嵌套" class="c1" target="_blank">嵌套</a> </span></p> </div> </li> <li> <h3 class="blogtitle"><b></b><a href="/zhishi/ePLT.html" target="_blank">. HTML规范</a></h3> <span class="blogpic imgscale"> <a href="/zhishi/ePLT.html" title=". HTML规范"> <img src="https://www.gonglue1.com/static/img/no/28.webp" alt=". HTML规范"> </a> </span> <div class="post_other"> <p class="blogtext">. HTML规范,HTML,规范,html,标签,都,是有,尖,括号,包围,的,,(1)html标签都是有尖括号包围的标签,比如<b>(2)标签通常是成对存在,<b></b>,<h1></h1>(3)HTML不区分大小写,我们建议小写。(4)HTML可以嵌套,但是允许交叉嵌套正确写法:<b> <h1>我很粗</h1> </b>...</p> <p class="bloginfo"><span><i class="icon-shijian iconfont"></i>2023-04-11</span><span class="viewmore"><i class="icon-biaoqian iconfont"></i><a href="/list/biaoqian.html" title="标签" class="c1" target="_blank">标签</a> <a href="/list/guifan.html" title="规范" class="c1" target="_blank">规范</a> <a href="/list/qiantao.html" title="嵌套" class="c1" target="_blank">嵌套</a> </span></p> </div> </li> <li> <h3 class="blogtitle"><b></b><a href="/zhishi/eQee.html" target="_blank">xhtml和html 的区别</a></h3> <span class="blogpic imgscale"> <a href="/zhishi/eQee.html" title="xhtml和html 的区别"> <img src="/d/file/20230411/3hvnb254lnu13.webp" alt="xhtml和html 的区别"> </a> </span> <div class="post_other"> <p class="blogtext">xhtml和html 的区别,xhtml,和,html,的,区别,XHTML,是,HTML,向,xml,的,一个,,XHTML是HTML向xml的一个过渡语言,在最初W3C组织希望把HTML变成更为严谨的标记语言(比如XML),但HTML的已经应用的太为广泛,全部换掉不现实。因此产生了XHTML这样一种过渡形式。它比HTML更严谨,基本标签都还是沿用了HTML,但废除了“变现层”标签,同时要求标签的严格嵌套,标签结束...</p> <p class="bloginfo"><span><i class="icon-shijian iconfont"></i>2023-04-11</span><span class="viewmore"><i class="icon-biaoqian iconfont"></i><a href="/list/biaoqian.html" title="标签" class="c1" target="_blank">标签</a> <a href="/list/bianxian.html" title="变现" class="c1" target="_blank">变现</a> <a href="/list/biaojiyuyan.html" title="标记语言" class="c1" target="_blank">标记语言</a> </span></p> </div> </li> <li> <h3 class="blogtitle"><b></b><a href="/zhishi/ePNl.html" target="_blank">HTML CSS入门级常用知识点归纳总结</a></h3> <span class="blogpic imgscale"> <a href="/zhishi/ePNl.html" title="HTML CSS入门级常用知识点归纳总结"> <img src="https://www.gonglue1.com/static/img/no/62.webp" alt="HTML CSS入门级常用知识点归纳总结"> </a> </span> <div class="post_other"> <p class="blogtext">HTML CSS入门级常用知识点归纳总结,HTML,CSS,入门,级,常用,知识点,归纳,总结,目录,,  目录:  one:基础标签的嵌套  two:常用实体总结  three:图片的插入及相对路径  four:选择器  five:超链接的四个伪类  six:常用文本标签总结  seven:网页的三种列表  eight:三种单位长度 行高 rgb  nine:表格  ten:盒模型  eleven:块,内联元素的简单布局规则  twelv...</p> <p class="bloginfo"><span><i class="icon-shijian iconfont"></i>2023-04-11</span><span class="viewmore"><i class="icon-biaoqian iconfont"></i><a href="/list/wangye.html" title="网页" class="c1" target="_blank">网页</a> <a href="/list/wenbonbiaoqian.html" title="文本标签" class="c1" target="_blank">文本标签</a> <a href="/list/danwei.html" title="单位" class="c1" target="_blank">单位</a> </span></p> </div> </li> <li> <h3 class="blogtitle"><b></b><a href="/zhishi/ePMu.html" target="_blank">HTML入门与基础知识</a></h3> <span class="blogpic imgscale"> <a href="/zhishi/ePMu.html" title="HTML入门与基础知识"> <img src="https://www.gonglue1.com/static/img/no/73.webp" alt="HTML入门与基础知识"> </a> </span> <div class="post_other"> <p class="blogtext">HTML入门与基础知识,HTML,入门,与,基础知识,一,、,标签,概述,1.HTML,,  一、标签概述  1.HTML(英文Hyper Text Markup Language的缩写)中文译为“超文本标签语言”,主要是通过HTML标签对网页中的文本、图片、声音等内容进行描述。  2.标签分为嵌套关系与并列关系。  嵌套关系:  并列关系:  二、基本标签  1.html标签:作为整个html中所有标签的一个根节点...</p> <p class="bloginfo"><span><i class="icon-shijian iconfont"></i>2023-04-11</span><span class="viewmore"><i class="icon-biaoqian iconfont"></i><a href="/list/biaoqian.html" title="标签" class="c1" target="_blank">标签</a> <a href="/list/qiantao.html" title="嵌套" class="c1" target="_blank">嵌套</a> <a href="/list/miaoshu.html" title="描述" class="c1" target="_blank">描述</a> </span></p> </div> </li> <div id="yk-l-ad"><script type="text/javascript" src="/d/js/acmsd/thea2.js"></script></div> <li> <h3 class="blogtitle"><b></b><a href="/zhishi/ePIP.html" target="_blank">Vue3.0API介绍中 readonly 使用示例</a></h3> <span class="blogpic imgscale"> <a href="/zhishi/ePIP.html" title="Vue3.0API介绍中 readonly 使用示例"> <img src="https://www.gonglue1.com/static/img/no/12.webp" alt="Vue3.0API介绍中 readonly 使用示例"> </a> </span> <div class="post_other"> <p class="blogtext">Vue3.0API介绍中 readonly 使用示例,Vue3.0API,介绍,中,readonly,使用,示例,Vue3.0API,,Vue3.0API介绍中 readonly 使用示例readonly接受一个对象 (响应式或纯对象) 或 ref 并返回原始对象的只读代理。只读代理是深层的:任何被访问的嵌套 property 也是只读的。<script setup>import { watchEffect, reactive, reado...</p> <p class="bloginfo"><span><i class="icon-shijian iconfont"></i>2023-04-11</span><span class="viewmore"><i class="icon-biaoqian iconfont"></i><a href="/list/zhidu.html" title="只读" class="c1" target="_blank">只读</a> <a href="/list/daili.html" title="代理" class="c1" target="_blank">代理</a> <a href="/list/duixiang.html" title="对象" class="c1" target="_blank">对象</a> </span></p> </div> </li> <li> <h3 class="blogtitle"><b></b><a href="/zhishi/eP72.html" target="_blank">Vue3.0API介绍中reactive使用示例</a></h3> <span class="blogpic imgscale"> <a href="/zhishi/eP72.html" title="Vue3.0API介绍中reactive使用示例"> <img src="https://www.gonglue1.com/static/img/no/22.webp" alt="Vue3.0API介绍中reactive使用示例"> </a> </span> <div class="post_other"> <p class="blogtext">Vue3.0API介绍中reactive使用示例,Vue3.0API,介绍,中,reactive,使用,示例,Vue3.0API,,Vue3.0API介绍中reactive使用示例reactive返回对象的响应式副本const obj = reactive({ count: 0 })响应式转换是“深层”的——它影响所有嵌套 property。在基于 ES2015 Proxy 的实现中,返回的...</p> <p class="bloginfo"><span><i class="icon-shijian iconfont"></i>2023-04-11</span><span class="viewmore"><i class="icon-biaoqian iconfont"></i><a href="/list/xiangyingshi.html" title="响应式" class="c1" target="_blank">响应式</a> <a href="/list/duixiang.html" title="对象" class="c1" target="_blank">对象</a> <a href="/list/qiantao.html" title="嵌套" class="c1" target="_blank">嵌套</a> </span></p> </div> </li> <li> <h3 class="blogtitle"><b></b><a href="/zhishi/eP8f.html" target="_blank">Vue3.0API介绍中 shallowReactive 使用示例</a></h3> <span class="blogpic imgscale"> <a href="/zhishi/eP8f.html" title="Vue3.0API介绍中 shallowReactive 使用示例"> <img src="https://www.gonglue1.com/static/img/no/54.webp" alt="Vue3.0API介绍中 shallowReactive 使用示例"> </a> </span> <div class="post_other"> <p class="blogtext">Vue3.0API介绍中 shallowReactive 使用示例,Vue3.0API,介绍,中,shallowReactive,使用,示例,,Vue3.0API介绍中 shallowReactive 使用示例shallowReactive创建一个响应式代理,它跟踪其自身 property 的响应性,但不执行嵌套对象的深层响应式转换 (暴露原始值)。<script setup>import { shallowReactive, isReac...</p> <p class="bloginfo"><span><i class="icon-shijian iconfont"></i>2023-04-11</span><span class="viewmore"><i class="icon-biaoqian iconfont"></i><a href="/list/xiangyingshi.html" title="响应式" class="c1" target="_blank">响应式</a> <a href="/list/zhixing.html" title="执行" class="c1" target="_blank">执行</a> <a href="/list/qiantao.html" title="嵌套" class="c1" target="_blank">嵌套</a> </span></p> </div> </li> <!--list.var11--> <!--list.var12--> <!--list.var13--> <!--list.var14--> <!--list.var15--> <!--list.var16--> <div id="yk-l-ad"><script type="text/javascript" src="/d/js/acmsd/thea3.js"></script></div> <!--list.var17--> <!--list.var18--> <!--list.var19--> <!--list.var20--> <!--list.var21--> <!--list.var22--> <!--list.var23--> <!--list.var24--> 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