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موضوع : دانستنیهای کد های کاربری ,

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HTML forms are used to pass data to a server.

A form can contain input elements like text fields, checkboxes, radio-buttons, submit buttons and more. A form can also contain select lists, textarea, fieldset, legend, and label elements.

The

tag is used to create an HTML form:

 

 
.
input elements
.

 


HTML Forms - The Input Element

The most important form element is the input element.

The input element is used to select user information.

An input element can vary in many ways, depending on the type attribute. An input element can be of type text field, checkbox, password, radio button, submit button, and more.

The most used input types are described below.


Text Fields

defines a one-line input field that a user can enter text into:


First name:

Last name:

How the HTML code above looks in a browser:

First name:
Last name:

Note: The form itself is not visible. Also note that the default width of a text field is 20 characters. 


Password Field

defines a password field:


Password:

How the HTML code above looks in a browser:

Password:

Note: The characters in a password field are masked (shown as asterisks or circles). 


Radio Buttons

defines a radio button. Radio buttons let a user select ONLY ONE of a limited number of choices:


Male

Female

How the HTML code above looks in a browser:

Male
Female

Checkboxes

defines a checkbox. Checkboxes let a user select ONE or MORE options of a limited number of choices.


I have a bike

I have a car

How the HTML code above looks in a browser:

I have a bike
I have a car

Submit Button

defines a submit button.

A submit button is used to send form data to a server. The data is sent to the page specified in the form's action attribute. The file defined in the action attribute usually does something with the received input:


Username:

How the HTML code above looks in a browser:

Username:

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برچسب ها : كدجاوا ,
كدهاي كاربردي نوشته شده در شنبه 17 تير 1391 ساعت 4:12

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