Operation form essential attributes

• text text box is set to disabled or documents obtained or lost focus event
• Button button   
• Single box (with box radio)
• Checkboxes (checkbox is mainly set out to give a lable label, so click on the text when the operation can be selected)
• Pull-down menu (select label contains option to set the default option selected = 'selcted')
• Text field textarea (disabled)

Several properties are designed to value   

• Most form elements value for content acquisition

  • input elements, the content of the operation value textarea element by

  • button element content by innerHTML or innerText

  • option content through innerHTML or innerText

• type can get the input element, an element of type button

Three special form properties, acquired a Boolean data type.

• disabled disabled property

• checked checkbox properties

• selected drop-down menu select Properties

 

  1. The single-box form

<label>
        <input type="radio" name="gender">男888888
</label>
 <label>
        <input type="radio" name="gender">女888888
</label>

2. box form

    <label> 
        <INPUT type = " CheckBox " > This is a Thinking of </ label> 
    <label> 
        <INPUT type = " CheckBox " the checked = 'the checked' > This is a Thinking OFF </ label> 
    <label> 
        <INPUT = type " CheckBox " > this is a thinking off </ label>

Its styling elements available, then set .checked = false;

 

3. The drop-down menu

< SELECT ID = " SEL " > 
        <option> piglets </ Option> 
        <Option Selected = ' Selected ' > dog </ Option>   // default first effect of 
        <option> calf </ Option> 
   </ SELECT > 

cancel it, get puppies .selected = false ;

 And four pairs of text can be set textarea disabled = 'disabled'