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Tutorials
Lesson:

  1. What is HTML?

  2. HTML Editors
  3. HTML Elements and Attributes

  4. HTML Headings and Paragraphs

  5. HTML Formatting

  6. HTML Links

  7. HTML Images

  8. HTML Tables

  9. HTML Lists

  10. HTML Forms

Exercises
For every lesson:

  1. Hyper Text Markup Language

  2. Notepad

  3. Start tag to End tag and name="value"

  4. <h1> and <p>

  5. <b> and <i>

  6. <a href=>

  7. <img src=>

  8. <th> <tr> and <td>

  9. <OL> and <UL>

  10. <form>



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Lesson 10: HTML Forms


HTML Forms are used to select different kinds of user input.


HTML Forms

HTML forms are used to pass data to a server.

An HTML 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 <form> tag is used to create an HTML form:

<form>
.
input elements
.
</form>


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 common input types are described below.


Text Fields

<input type="text"> defines a one-line input field that a user can enter text into:

<form>
First name: <input type="text" name="firstname"><br>
Last name: <input type="text" name="lastname">
</form>

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

<input type="password"> defines a password field:

<form>
Password: <input type="password" name="pwd">
</form>

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

<input type="radio"> defines a radio button. Radio buttons let a user select ONLY ONE of a limited number of choices:

<form>
<input type="radio" name="sex" value="male">Male<br>
<input type="radio" name="sex" value="female">Female
</form>

How the HTML code above looks in a browser:

Male
Female

Checkboxes

<input type="checkbox"> defines a checkbox. Checkboxes let a user select ZERO or MORE options of a limited number of choices.

<form>
<input type="checkbox" name="vehicle" value="Bike">I have a bike<br>
<input type="checkbox" name="vehicle" value="Car">I have a car
</form>

How the HTML code above looks in a browser:

I have a bike
I have a car

Submit Button

<input type="submit"> 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:

<form name="input" action="html_form_action.asp" method="get">
Username: <input type="text" name="user">
<input type="submit" value="Submit">
</form>

How the HTML code above looks in a browser:

Username:

If you type some characters in the text field above, and click the "Submit" button, the browser will send your input to a page called "html_form_action.asp". The page will show you the received input.


HTML Form Tags

New : New tags in HTML5.

Tag Description
<form> Defines an HTML form for user input
<input> Defines an input control
<textarea> Defines a multiline input control (text area)
<label> Defines a label for an <input> element
<fieldset> Groups related elements in a form
<legend> Defines a caption for a <fieldset> element
<select> Defines a drop-down list
<optgroup> Defines a group of related options in a drop-down list
<option> Defines an option in a drop-down list
<button> Defines a clickable button
<datalist>New Specifies a list of pre-defined options for input controls
<keygen>New Defines a key-pair generator field (for forms)
<output>New Defines the result of a calculation





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