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HTML5新技术(1)
hugohua
data-***
 符合html5规范
 高级浏览器支持
 js提供dataset方法
 jq提供data方法
 CSS提供attr() 方法
dataset
*带连字符连接的名称在使用的时候需要命名驼峰化
$(‘’).data()
*data方法,页面初始化时缓存数据,后续无法修改属性值。
参考文献: http://www.learningjquery.com/2011/09/using-jquerys-data-apis
CSS attr()
DEMO
Demo
datalist
*扩展阅读: http://www.zhangxinxu.com/wordpress/2013/03/html5-datalist-实际应用-可行性/
download
download
Download属性:表明一个资源是让用户下载的,而不是立即显示的。
Download如果存在值,则这个值是文件名。
DEMO
下载动态生成的文件
可以通过Bob创建二进制文件,然后用这个属性下载到本地。
autofocus
Autofocus:页面加载时自动地获得焦点。
仅对 input、button、textarea等表单元素有效
多个autofocus存在时,作用于最后一个
DEMO
placeholder
文本框默认文字提示
默认颜色在各浏览器下表现不一致,建议通过CSS重置样式
DEMO
Context Menus
Chrome暂不支持
DEMO
HTML5 JS API
• 未完待续
• 3Q

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