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HTML4和HTML5不同点 #16

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conan1992 opened this issue Jun 16, 2020 · 0 comments
Open

HTML4和HTML5不同点 #16

conan1992 opened this issue Jun 16, 2020 · 0 comments

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@conan1992
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1.声明方面

<!DOCTYPE html>

2.标准方面

不再基于SGML标准；

3.标签方面

引入了<header>、<footer>、<aside>、<section>、<article>、<nav>、<canvas>等标签

废除了一些标签

4.属性方面

增加了一些表单属性, 主要是其中的input属性的增强

<!-- 此类型要求输入格式正确的email地址 -->
<input type=email >
<!-- 要求输入格式正确的URL地址  -->
<input type=url >
<!-- 要求输入格式数字，默认会有上下两个按钮 -->
<input type=number >
<!-- 时间系列，但目前只有 Opera和Chrome支持 -->
<input type=date >
<input type=time >
<input type=datetime >
<input type=datetime-local >
<input type=month >
<input type=week >
<!-- 默认占位文字 -->
<input type=text placeholder="your message" >
<!-- 默认聚焦属性 -->
<input type=text autofacus="true" >

5.存储方面

新增了WebStorage: localstorage和sessionStorage
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@conan1992