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What is a form in html

青灯夜游
青灯夜游Original
2021-10-11 15:39:156463browse

In HTML, a form is an area containing form elements. It is mainly used to collect different types of user input and needs to be defined using the form tag. The form element is a control that allows users to enter content in the form. , such as input tag (input), text area (textarea), etc.

What is a form in html

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

A form is an area containing form elements.

Form elements allow users to enter content in the form, such as text areas, drop-down lists, radio-buttons, checkboxes, etc.

Forms are created through the

tag, where form objects such as form fields, buttons, and other things are placed: 
<form>
....
表单元素
....
</form>

Common form elements

1. input input tag

The form tag used in most cases is the input tag (). 

<input type="text" >

What is a form in html

The element can be changed into multiple forms according to different type attributes.

Value Description
button Defines a clickable button (usually the same as JavaScript is used together to launch the 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).

2. textarea text field

<textarea name="message" rows="10" cols="30">
The cat was playing in the garden.
</textarea>

What is a form in html

3. button button

4. select drop-down list, option option to be selected

## The #

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