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HTML5 Tutorial - HTML5 Forms 2.0

黄舟
黄舟Original
2017-02-07 13:30:091269browse

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HTML5 Form 2.0

Web Form 2.0 is an extension of the HTML4 form feature. Form elements and attributes in HTML5 provide a greater degree of semantic markup than HTML4, removing a large amount of cumbersome scripts and styles required in HTML4.

The element in HTML4

HTML4 input box element uses the type attribute to specify the data type. HTML4 provides the following types:

HTML5 Tutorial - HTML5 Forms 2.0

Here is a simple example using callout tags, radio buttons, and submit buttons:

HTML5 Tutorial - HTML5 Forms 2.0

The element in HTML5

In addition to the attributes mentioned above, HTML5 introduces several new values ​​​​to the type attribute of the input box element. As listed in the table below.

Note: Please use the latest version of Opera browser to run all examples below.

HTML5 Tutorial - HTML5 Forms 2.0

## element

HTML5 also introduces a new element to represent different types of output results, such as output by Script written.

You can also use the for attribute to specify the relationship between the output element and other elements in the document that affect the calculation (for example, as an input source or parameter). The value of the for attribute is a space-separated list of IDs of other elements.

DEMO: http://www.tutorialspoint.com/cgi-bin/practice.cgi?file=html5-11.htm

placeholder attribute

Introduced in HTML5 A new attribute called placeholder. This attribute on the and
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