HTML DOM Checkbox Object
Checkbox Object
The Checkbox object represents a checkbox in an HTML form.
For each instance of an <input type="checkbox"> tag in an
HTML form, a Checkbox object is created.
You can access a checkbox by searching through the elements[] array of the
form, or by using document.getElementById().
IE: Internet Explorer, F: Firefox, O: Opera, W3C:
World Wide Web Consortium (Internet Standard).
Checkbox Object Properties
| Property |
Description |
IE |
F |
O |
W3C |
| accessKey |
Sets or returns the keyboard key to access a checkbox |
4 |
1 |
9 |
Yes |
| alt |
Sets or returns an alternate text to display if a browser
does not support checkboxes |
5 |
1 |
9 |
Yes |
| checked |
Sets or returns whether or not a checkbox should be checked |
4 |
1 |
9 |
Yes |
| defaultChecked |
Returns the default value of the checked attribute |
4 |
1 |
9 |
Yes |
| disabled |
Sets or returns whether or not a checkbox should be
disabled |
4 |
1 |
9 |
Yes |
| form |
Returns a reference to the form that contains the checkbox |
4 |
1 |
9 |
Yes |
| id |
Sets or returns the id of a checkbox |
4 |
1 |
9 |
Yes |
| name |
Sets or returns the name of a checkbox |
4 |
1 |
9 |
Yes |
| tabIndex |
Sets or returns the tab order for
a checkbox |
4 |
1 |
9 |
Yes |
| type |
Returns the type of form element a checkbox is |
4 |
1 |
9 |
Yes |
| value |
Sets or returns the value of the value attribute of a
checkbox |
4 |
1 |
9 |
Yes |
Standard Properties
| Property |
Description |
IE |
F |
O |
W3C |
| className |
Sets or returns the class attribute of an element |
5 |
1 |
9 |
Yes |
| dir |
Sets or returns the direction of text |
5 |
1 |
9 |
Yes |
| lang |
Sets or returns the language code for an element |
5 |
1 |
9 |
Yes |
| title |
Sets or returns an element's advisory title |
5 |
1 |
9 |
Yes |
Checkbox Object Methods
| Method |
Description |
IE |
F |
O |
W3C |
| blur() |
Removes focus from a checkbox |
4 |
1 |
9 |
Yes |
| click() |
Simulates a mouse-click in a checkbox |
4 |
1 |
9 |
Yes |
| focus() |
Gives focus to a checkbox |
4 |
1 |
9 |
Yes |
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