Document.createTouch() - Web APIs 编辑

Deprecated

This feature is no longer recommended. Though some browsers might still support it, it may have already been removed from the relevant web standards, may be in the process of being dropped, or may only be kept for compatibility purposes. Avoid using it, and update existing code if possible; see the compatibility table at the bottom of this page to guide your decision. Be aware that this feature may cease to work at any time.

Note: Before Gecko 25.0, this method was defined on the DocumentTouch mixin.

The Document.createTouch() method creates and returns a new Touch object.

Syntax

var touch = DocumentTouch.createTouch(view, target, identifier, pageX, pageY,
                                      screenX, screenY);

Parameters

Note: All parameters are optional.

view

The window in which the touch occurred.

target

The EventTarget for the touch.

identifier

The value for Touch.identifier.

pageX

The value for Touch.pageX.

pageY

The value for Touch.pageY.

screenX

The value for Touch.screenX.

screenY

The value for Touch.screenY.

Note: Previous versions of this method included the following additional parameters but those parameters are not included in either of the standards listed below. Consequently, these parameters should be considered deprecated and not used.

clientX

The value for Touch.clientX.

clientY

The value for Touch.clientY.

radiusX

The value for Touch.radiusX.

radiusY

The value for Touch.radiusY.

rotationAngle

The value for Touch.rotationAngle.

force

The value for Touch.force.

Return value

touch

A Touch object configured as described by the input parameters.

Example

This example illustrates using the Document.createTouch() method to create Touch objects.

In following code snippet, two Touch objects are created for the target element.

var target = document.getElementById("target");

var touch1 = Document.createTouch(window, target, 1, 15, 20, 35, 40);
var touch2 = Document.createTouch(window, target, 2, 25, 30, 45, 50);

Specifications

Specification	Status	Comment
Touch Events The definition of 'Document.createTouch()' in that specification.	Recommendation	Initial definition.

Browser compatibility

BCD tables only load in the browser

See also

• Touch events
• TouchList
• Touch
• Document.createTouchList()