In my last column, I discussed HTML5 support for offline storage and caching through the use of LocalStorage and SessionStorage. Continuing with the HTML5 focus, I want to investigate the new ...

1、 创建一个名为 Form.html 的文件，内容所示。 2、 声明HTML5文档类型，确保浏览器按最新标准解析页面，所示。 3、 创建网页结构，包含头部与主体部分，将标题设为form标签的使用。 4、 form标签用于包裹各类表单元素，构成完整表单结构，其语法形式所示。

The newest specs for HTML forms give programmers more control over data input and validation, while offloading much of the work to the browsers The changes and enhancements to the form tags are some ...

HTML5 form field validation also works with numeric input types and with the “required” specification. Suppose we enhanced the above HTML to add an input field with “required” and another input field ...

The HTML5 specification adds a new set of tools for handling web forms. Generally referred to as HTML5 Forms, the new tools enable browser-side form validation. It’s important to understand that HTML5 ...