readystatechange

The readystatechange event is fired when the readyState attribute of a document has changed.

General info

Specification

HTML5

Interface

Event

Bubbles

No

Cancelable

No

Target

Document

Default Action

None.

Properties

Property	Type	Description
target Read only	EventTarget	The event target (the topmost target in the DOM tree).
type Read only	DOMString	The type of event.
bubbles Read only	Boolean	Whether the event normally bubbles or not
cancelable Read only	Boolean	Whether the event is cancellable or not?

Example

// alternative to DOMContentLoaded
document.onreadystatechange = function () {
    if (document.readyState == "interactive") {
        initApplication();
    }
}

Browser compatibility

This event has long been supported by Internet Explorer and can be used as an alternative to the DOMContentLoaded event (see note [2] in the Browser compatibility section).

Related Events

• DOMContentLoaded
• readystatechange
• load
• beforeunload
• unload