Form input selector (:input)
Description and Syntax
$(":input")
selects all form elements (<input>
(all types), <select>
, <textarea>
, <button>
)
Examples
The following code uses the form input selector to get the count of input elements in a form.
<html>
<head>
<script src="http://java2s.com/style/jquery-1.8.0.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){<!-- w w w. j a va 2s . c o m-->
alert($(":input").length);
});
</script>
</head>
<body>
<body>
<input type="button" value="Input Button"/>
<input type="checkbox">j ava 2s.com</input>
<input type="checkbox" />
<input type="checkbox" />
<input type="file" />
<input type="hidden" />
<input type="image" />
<input type="password" />
<input type="radio" />
<input type="reset" />
<input type="submit" />
<input type="text" />
<select><option>Option<option/></select>
<textarea></textarea>
<button>Button</button>
</body>
</html>
The code above generates the following result.
Select input element by attribute name
The following code selects all inputs that don't have the name 'n'.
<html>
<head>
<script src="http://java2s.com/style/jquery-1.8.0.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){<!-- w w w . j a v a 2s .c o m-->
$("input[name!='n']").val(" not n");
});
</script>
</head>
<body>
<body>
<input type="text" name="newsletter" value="Hot Fuzz" />
</body>
</html>
The following code select input element by name
attribute.
<html>//from ww w.j a va2 s. c o m
<head>
<script src="http://java2s.com/style/jquery-1.8.0.min.js"></script>
<script type="text/javascript">
$(document).ready(function(){
$("input[name='ab']").val("ab");
});
</script>
</head>
<body>
<body>
<input name="ab" />
</body>
</html>
The code above generates the following result.
...
Filtering by Relationships
Numbered child (:nth-child(n/even/odd/expr)...
First child (:first-child)
Last child (:last-child)
Only child (:only-child)
Not (:not(E))
Empty (:empty)
Attribute selectors
Attribute existence([attr])
Attribute equals ([foo=bar])
Attribute not equal ([foo!=bar])
Attribute begins with ([foo^=bar])
Attribute ends with ([foo$=bar])
Attribute contains ([foo*=bar])
Attribute contains word ([foo~=bar])
Attribute contains prefix ([foo|=bar])
Attribute exists $("[attributeName*='value'...
Form selector
Form Password field (input:password)
Form Radio button (input:radio)
Form Checkbox (input:checkbox)
Form Submit button (input:submit)
Form Image button (input:image)
Form Reset button (input:reset)
Form button (input:button)
Form File upload (input:file)
Form Enabled form element (input:enabled)
Form Disabled form element (input:disabled)
Form Checked box (input:checked)
Form Selected option (input:selected)
Element at index (:eq(n))
Greater than (:gt(n))
Less than (:lt(n))
First (:first)
Last (:last)
Even element (:even)
...
Filtering by Relationships
Numbered child (:nth-child(n/even/odd/expr)...
First child (:first-child)
Last child (:last-child)
Only child (:only-child)
Not (:not(E))
Empty (:empty)
Attribute selectors
Attribute existence([attr])
Attribute equals ([foo=bar])
Attribute not equal ([foo!=bar])
Attribute begins with ([foo^=bar])
Attribute ends with ([foo$=bar])
Attribute contains ([foo*=bar])
Attribute contains word ([foo~=bar])
Attribute contains prefix ([foo|=bar])
Attribute exists $("[attributeName*='value'...
Form selector
Form input selector (:input)
Form text fields (input:text)Form Password field (input:password)
Form Radio button (input:radio)
Form Checkbox (input:checkbox)
Form Submit button (input:submit)
Form Image button (input:image)
Form Reset button (input:reset)
Form button (input:button)
Form File upload (input:file)
Form Enabled form element (input:enabled)
Form Disabled form element (input:disabled)
Form Checked box (input:checked)
Form Selected option (input:selected)
Element at index (:eq(n))
Greater than (:gt(n))
Less than (:lt(n))
First (:first)
Last (:last)
Even element (:even)
...