HTMLIFrameElement.sendTouchEvent() 编辑

Warning: Removed in Firefox 65.

The sendTouchEvent() method of the HTMLIFrameElement allows you to fake a touch event and send it to the browser <iframe>'s content.

Note: This method is available for touch-enabled devices only.

Syntax

instanceOfHTMLIframeElement.sendTouchEvent(type, x, y, rx, ry,
                                           rotationAngles, forces,
                                           count, modifiers);

Returns

Void.

Parameters

type

A string representing the event type. Possible values are touchstart, touchend, touchmove, or touchcancel.

x

An array of numbers representing the x position of each touch point relative to the browser <iframe>'s visible area in CSS pixels.

y

An array of numbers representing the y position of each touch point relative to the browser <iframe>'s visible area in CSS pixels.

rx

An array of numbers representing the x radius of each touch point in CSS pixels.

ry

An array of numbers representing the y radius of each touch point in CSS pixels.

rotationAngles

An array of numbers representing the angle of each touch point in degrees.

forces

An array of numbers representing the intensity of each touch in the range 0–1.

count

The number of touches that should be performed.

modifiers

A number representing a key pressed at the same time the mouse button was clicked:

• 1 :  Alt
• 2 :  Ctrl
• 4 :  Shift
• 8 :  Meta
• 16 :  Alt Gr
• 32 :  Caps Lock
• 64 :  Fn
• 128 :  Num Lock
• 256 :  Scroll
• 512 :  Symbol Lock
• 1024 :  Win

Note: You can specify multiple key modifiers separated by a pipe symbol, for example 1 | 1014.

Examples

var browser = document.querySelector('iframe');
browser.sendTouchEvent("touchstart", [1], [x], [y], [2], [2],
                       [20], [0.5], 1, 0);

Specification

Not part of any specification.

Browser compatibility

Supported since Firefox 47, in chrome code only. Removed completely in Firefox 65.

Unlikely ever to be supported in other browsers.

See also

• nsIDOMWindowUtils
• Using the Browser API