CGS 3066: Web Programming and Design Fall 2019 Forms , HTML5 layout Department of Computer Science, Florida State University 1 HTML Forms One of the main points of interaction between a user and a web site
Used to collect different kinds of user input/data and pass them to the server. Primarily contains input controls such as text fields, checkboxes, radiobuttons, submit buttons,drop-down lists etc. Also non-input elements(e.g. labels, fieldsets) for presentation HTML tag:
HTML Forms(contd) Forms are submitted for processing using the submit button input
Input controls should have their name attributes set form data submitted in (name, value) pair Form input controls The element is the most important form element. The element can be displayed in several ways, depending on the type attribute. Here are some examples: Type
Description Defines a one-line text input field Defines a radio button (for selecting one of many choices) Defines a submit button (for submitting
the form) Defines a checkbox defines a one-line text input field:
defines a password field : The characters in a password field are masked (shown as asterisks or circles).
defines a button for submitting form data to a form-handler : The form-handler is typically a server page with a script for processing input data. We will learn this later when we talk about back-end code.
defines a reset button that will reset all form values to their
defines a radio button:
Radio buttons let a user select ONLY ONE of a limited number of choices.
defines a checkbox: Checkboxes let a user select ZERO or MORE options of a limited number of choices.
You can also define the size of the text area by using CSS properties width and height
Attributes value The value attribute specifies the initial value for an input field
Attributes readonly The readonly attribute specifies that the input field is read only (cannot be changed):
Attributes disabled The disabled attribute specifies that the input field is disabled. A disabled input field is unusable and un-clickable, and its value will not be sent when submitting the form
Attributes size The size attribute specifies the size (in characters) for the input field
HTML5 input types
HTML5 introduces several new input types Browser support varies. Unsupported input types shown as textboxes Try http://robertnyman.com/html5/forms/input-types.html on different browsers o o o o o o o o o o o
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Source: http://robertnyman.com/ Other Form related tags
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