jQuery come with many form selectors to access the form elements more easily and efficiently. Here’s a simple jQuery form selectors reference.

1. TextBox – $(‘input:text’)

To select a textbox

$('input:text');

To get the textbox value

$('input:text').val();

To set the textbox value

$('input:text').val("New Text");

2. Password – $(‘input:password’)

To select a password

$('input:password');

To get the password value

$('input:password').val();

To set the password value

$('input:text').val("New Text");

3. Textarea – $(‘textarea’)

To select a textarea

$('textarea');

To get the textarea value

$('textarea').val();

To set the textarea value

$('textarea').val("New Text in Textarea");

4. Radio Buttons – $(‘input:radio’)

To select a radio button

$('input:radio');

To get the selected radio button option

$('input:radio[name=radiobutton-name]:checked').val();

To select the first radio button option

$('input:radio[name=radiobutton-name]:nth(0)').attr('checked',true);
or
$('input:radio[name=radiobutton-name]')[0].checked = true;

More detail…

5. Check Box – $(‘input:checkbox’)

To select a checkbox

$('input:checkbox');

To check whether a checkbox is checked

$('input:checkbox[name=checkboxname]').is(':checked');

To check a checkbox

$('input:checkbox[name=checkboxname]').attr('checked',true);

To unchecked a checkbox

$('input:checkbox[name=checkboxname]').attr('checked',false);

More detail…

6. Upload File – $(‘input:file’)

To select a file

$('input:file');

To get the file value

$('input:file').val();

7. Hidden value – $(‘input:hidden’)

To select a hidden value

$('input:hidden');

To get the hidden value

$('input:hidden').val();

To set the hidden value

$('input:hidden').val("New Text");

8. Select(dropdown box) – $(‘select’)

To select a dropdown box

$('select')
or
$('#dropdown-id')

To get the selected drop down box value

$('#dropdown-id').val();

To set the drop down box value to “China”

$("#dropdown-id").val("China");

More details…

9. Submit button – $(‘input:submit’)

To select a submit button

$('input:submit');

10. Reset button – $(‘input:reset’)

To select a reset button

$('input:reset');

jQuery form selectors

<html>
<head>
<title>jQuery form selector example</title>
 
<script type="text/javascript" src="jquery-1.3.2.min.js"></script>
 
<style type="text/css">
	div{
		padding:16px;
	}
</style>
</head>
 
<body>
 
<h1>jQuery form selector example</h1>
 
<h2>Message = <label id="msg"></label></h2>
 
<form name="testing" action="#">
  <div>
	TextBox : <input type="textbox" value="This is message from textbox" />
  </div>
  <div>
	Password : <input type="password" value="This is message from password" />
  </div>
  <div>
	TextArea : <textarea>This is message from textarea</textarea>
  </div>
  <div>
	Radio : <input name="sex" type="radio" value="Male" checked>Male</input>
	        <input name="sex" type="radio" value="Female">Female</input>
  </div>
  <div>
	CheckBox : <input type="checkbox" name="checkme">Check Me</input>
  </div>
  <div>
	File : <input type="file"></input>
  </div>
  <div>
	Hidden : <input type="hidden" value="This is message from hidden"/>
  </div>
  <div>
	Country : <select id="country">
			<option value="China">China</option>
			<option value="United State">United State</option>
		     </select>
  </div>
  <div>
	<input type="submit"></input> <input type="reset"></input>
  </div>	
</form>
 
<button id="text">input:text</button>
<button id="password">input:password</button>
<button id="textarea">textarea</button>
<button id="radio">input:radio</button>
<button id="checkbox">input:checkbox</button>
<button id="file">input:file</button>
<button id="hidden">input:hidden</button>
<button id="select">select</button>
<button id="submit">input:submit</button>
<button id="reset">input:reset</button>
 
<script type="text/javascript">
    $("#text, #password, #hidden, 
          #textarea, #file, #submit, #reset").click(function () {
	  var str = $(this).text();
	  $('input, textarea, select').css("background", "#ffffff");
	  $(str).css("background", "#ff0000");
	  $('#msg').html($(str).val())
    });
 
    $("#radio").click(function () {
	  $('input, textarea, select').css("background", "#ffffff");
	  $('#msg').html($('input:radio[name=sex]:checked').val());
    });
 
    $("#checkbox").click(function () {
	  var str = $(this).text();
	  $('input, textarea, select').css("background", "#ffffff");
 
	  if($('input:checkbox[name=checkme]').is(':checked')){
	  	$('#msg').html("Checkbox is checked");
	  }else{
	  	$('#msg').html("Checkbox is uncheck");
	  }	  
    });
 
    $("#select").click(function () {
	  $('input, textarea, select').css("background", "#ffffff");
	  $('#msg').html($('#country').val());
    });
 
</script>
 
</body>
</html>
Note : You can find more similar articles at - jQuery Tutorials