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    WebGLContextEvent

    The WebContextEvent interface is part of the WebGL API and is an interface for an event that is generated in response to a status change to the WebGL rendering context.

    Inheritance

    This interface inherits properties and methods from its parent interface, Event.

    Properties

    This interface inherits properties from its parent interface, Event.

    WebGLContextEvent.statusMessage
    A read-only property containing additional information about the event.

    Methods

    This interface doesn't define any own methods, but inherits methods from its parent interface, Event.

    Examples

    With the help of the WEBGL_lose_context extension, you can simulate the webglcontextlost and webglcontextrestored events:

    var canvas = document.getElementById("canvas");
var gl = canvas.getContext("webgl");

canvas.addEventListener("webglcontextlost", function(e) {
  console.log(e); 
}, false);

gl.getExtension('WEBGL_lose_context').loseContext();

// WebGLContextEvent event with type "webglcontextlost" is logged.

    Specifications

    Specification Status Comment
    WebGL 1.0
    The definition of 'WebGLContextEvent' in that specification.    		 Recommendation Initial definition.

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support 9 Not supported 11 12 5.1
    Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support ? 25 Not supported ? 12 8.1

    See also

    Document Tags and Contributors

    Tags: 
     Contributors to this page: fscholz
     Last updated by: fscholz,