Script tag_html/css_WEB-ITnose

script

The

script tag is used to define client-side scripts, such as JavaScript. The
script element can contain script statements and point to external script files through the src attribute.
The required type attribute specifies the MIME type of the script.
Common uses of JavaScript are image manipulation, form validation, and dynamic content changes.

属性 值 描述

async	async	规定异步执行脚本（仅适用于外部脚本）.
type	text/ecmascript,text/javascript,application/ecmascript,application/javascript,text/vbscript	指示脚本的 MIME 类型.
charset	charset	规定在脚本中使用的字符编码（仅适用于外部脚本）.
defer	defer	规定当页面已完成解析后，执行脚本（仅适用于外部脚本）.
language	javascript,vbscript,livescript,other	HTML5不支持.
src	URL	定义指向包含脚本的文件的 URL（这样您就可以引用某个包含脚本的文件，而不是直接把脚本插入您的 HTML 文档中）.
xml:space	preserve	HTML 5 中不支持.

HTML 5 tags

JavaScript Tests related to defer and async attributes