HTML Forms and Input (Cont.)
 
 Checkboxes
Checkboxes are used when you want the user to select one or more options of a limited number of choices.
 
  
   | HTML Script | 
   Web Display | 
  
  
   
    
      <form>
  <input type="checkbox" name="bike" checked />
    I have a bike
  <input type="checkbox" name="car" />
    I have a car
 </form>
    
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 The Form’s Action Attribute and the Submit Button
The form’s 
action attribute defines the name of the file that the content will be sent to; e.g., the text entered in the text field below will be sent to a file named
     http://undcemcs01.und.edu/~wen.chen.hu/course/101/7/Form.php
 
  
   | HTML Script | 
   Web Display | 
  
  
  
   
    
      <form method="post"  name="input" action=
  "http://undcemcs01.und.edu/~wen.chen.hu/course/101/7/Form.php">
  Name: 
  <input type="text" name="user" />
  <input type="submit" name="act" value="Submit" />
  <input type="submit" name="act" value="PHP source" />
 </form> 
    
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    | 
  
 
 
  
   | Tag | 
   Description | 
    | 
   Tag | 
   Description | 
  
  
   <form> | 
   Defines a form for user input. | 
   <input> | 
   Defines an input field. | 
  
  
   <textarea> | 
   Defines a text-area. | 
   <label> | 
   Defines a label to a control. | 
  
  
   <fieldset> | 
   Defines a fieldset. | 
   <legend> | 
   Defines a caption for a fieldset. | 
  
  
   <select> | 
   Defines a selectable list. | 
   <optgroup> | 
   Defines an option group. | 
  
  
   <option> | 
   Defines an option in the drop-down box. | 
   <button> | 
   Defines a push button. | 
  
 
 Demonstration
The following demonstration shows how the HTML script is displayed on the Web.