Usage Checkbox elements can present the user with one or more options. This element type is suitable for presenting non-mutually exclusive choices. Use the Radio element for mutually exclusive lists of options. See Also Form, HTMLElement, Input, Radio; HTMLInputElement in the DOM reference section Checkbox.onclick Availability Synopsis JavaScript 1.0 <input type="checkbox" onclick="handler"> checkbox.onclick the handler invoked when a checkbox is selected The onclick property of a Checkbox object refers to an event handler function that is invoked when the user clicks on the checkbox. See HTMLElement.onclick for complete details. Note, however, that Checkbox.onclick has been supported since JavaScript 1.0, unlike the general- ized HTMLElement.onclick handler. Description See Also HTMLElement.onclick; Chapter 19; EventListener, EventTarget, and MouseEvent in the DOM reference section