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HTML DOM Input Checkbox Object


Input Checkbox Object

The Input Checkbox object represents an HTML <input> element with type="checkbox".

Access an Input Checkbox Object

You can access an <input> element with type="checkbox" by using getElementById():

var x = document.getElementById("myCheck"); Try it

Tip: You can also access <input type="checkbox"> by searching through the elements collection of a form.

Create an Input Checkbox Object

You can create an <input> element with type="checkbox" by using the document.createElement() method:

var x = document.createElement("INPUT");
x.setAttribute("type", "checkbox"); Try it

Input Checkbox Object Properties

= Property added in HTML5.

Property Description
autofocus Sets or returns whether a checkbox should automatically get focus when the page loads
checked Sets or returns the checked state of a checkbox
defaultChecked Returns the default value of the checked attribute
defaultValue Sets or returns the default value of a checkbox
disabled Sets or returns whether a checkbox is disabled, or not
form Returns a reference to the form that contains the checkbox
indeterminate Sets or returns the indeterminate state of the checkbox
name Sets or returns the value of the name attribute of a checkbox
required Sets or returns whether the checkbox must be checked before submitting a form
type Returns which type of form element the checkbox is
value Sets or returns the value of the value attribute of a checkbox

Standard Properties and Events

The Input Checkbox object also supports the standard properties and events.


Related Pages

HTML tutorial: HTML Forms

HTML reference: HTML <input> tag

HTML reference: HTML <input> type attribute



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