Is input a paired tag in HTML5?

The input in HTML5 is not a paired tag, it is a single tag with only a start tag and no end tag; the input tag is used to specify the input field where the user can enter data, the syntax "", according to different type attribute values, the input field has various forms.

The operating environment of this tutorial: Windows 7 system, HTML5 version, Dell G3 computer.

In HTML, tags are keywords surrounded by angle brackets, usually appearing in pairs such as <div> and <code>

, this is called "double tag". Opening and closing tags are also known as opening tags and closing tags.

There are also tags presented separately, such as: <img src="/static/imghw/default1.png" data-src="1.jpg" class="lazy" alt="Is input a paired tag in HTML5?" >, etc. This type of tag is called "single tag".

So are input tags in pairs in HTML5?

Input is not a paired tag, but a single tag, with only a start tag and no end tag.

Syntax:

<input type="类型值" />

According to different type attributes, input fields have multiple forms. Input fields can be text fields, checkboxes, password fields, radio buttons, buttons, etc.

Type attribute value	Description
button	Define the clickable button (Often used with JavaScript to launch a script).
checkbox	Define the checkbox.
color	Define the color picker.
date	Define date control (including year, month, day, excluding time).
datetime	Define date and time controls (including year, month, day, hour, minute, second, fraction of a second, based on UTC time zone).
datetime-local	Define date and time controls (including year, month, day, hour, minute, second, fraction of a second, without time zone) .
email	Defines the fields used for e-mail addresses.
file	Define the file selection field and "Browse..." button for file upload.
hidden	Define hidden input fields.
image	Define the image as the submit button.
month	Define month and year controls (without time zone).
number	Defines the field for entering numbers.
password	Define the password field (characters in the field will be masked).
radio	Define radio buttons.
#range	Defines a control for entering numbers where the exact value is not important (such as a slider control).
reset	Define the reset button (reset all form values ​​to default values).
search	Define the text field used to enter the search string.
submit	Define the submit button.
tel	Defines the field for entering a phone number.
text	Default. Defines a single-line text field (default width is 20 characters).
time	Defines a control for entering time (without time zone).
url	Defines the field for entering the URL.
week	Define week and year controls (without time zone).

Example:

<input type="button" value="点我">

<input type="checkbox" name="vehicle[]" value="Bike"> 我有一辆自行车<br>
<input type="checkbox" name="vehicle[]" value="Car"> 我有一辆小轿车<br>
<input type="checkbox" name="vehicle[]" value="Boat"> 我有一艘船<br>

选择你喜欢的颜色: <input type="color" name="favcolor"><br>

生日 (日期和时间): <input type="datetime" name="bdaytime">

Related recommendations: "html video tutorial"

The above is the detailed content of Is input a paired tag in HTML5?. For more information, please follow other related articles on the PHP Chinese website!