The operating environment of this tutorial: Windows 7 system, CSS3&&HTML5 version, Dell G3 computer.

HTML forms are used to collect different types of user input. Form elements refer to different types of input elements, check boxes, radio buttons, submit buttons, etc.

HTML form tags:

Extended information:element

element is the most important form element.

Elements have many forms, according to different type attributes.

1. Text Fields

The text field is set through thetag. When the user wants to type letters, numbers, etc. in the form , the text field will be used.

 First name: 
 Last name:  

The browser displays the following:

Note: The form itself is not visible. Also, in most browsers, the default width of a text field is 20 characters.

2. Password field

The password field is defined by the tag:

 Password:  

The browser display effect is as follows:

Note: Password field characters will not be displayed in plain text, but will be replaced by asterisks or dots.

3. Radio Buttons

tag defines the form radio button options

 Male
 Female 

Browser display effect As follows:

4. Checkboxes

defines the checkbox. Users need to start from Select one or several options from a number of given choices.

 I have a bike
 I have a car 

The browser display effect is as follows:

5. Submit Button

Defines the submit button.

When the user clicks the confirm button, the content of the form will be transferred to another file. The form's action attribute defines the file name of the destination file. The file defined by the action attribute usually performs related processing on the input data received. :

 Username:   

The browser display effect is as follows:

If you type a few letters in the text box above and click the confirm button, then enter the data The page that will be sent to "html_form_action.php". This page will display the entered results.

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