WebGLContextEvent

在此页

继承
特性
方法
范例
规范
浏览器兼容性
另请参阅
相关话题

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.

继承

This interface inherits properties and methods from its parent int erface, 事件 .

  <div id="interfaceDiagram" style="display: inline-block; position: relative; width: 100%; padding-bottom: 11.666666666666666%; vertical-align: middle; overflow: hidden;"><svg style="display: inline-block; position: absolute; top: 0; left: 0;" viewbox="-50 0 600 70" preserveAspectRatio="xMinYMin meet"><a xlink:href="../API/Event" target="_top"><rect x="1" y="1" width="75" height="50" fill="#fff" stroke="#D4DDE4" stroke-width="2px" /><text  x="38.5" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">Event</text></a><polyline points="76,25  86,20  86,30  76,25" stroke="#D4DDE4" fill="none"/><line x1="86" y1="25" x2="116" y2="25" stroke="#D4DDE4"/><a xlink:href="../API/WebGLContextEvent" target="_top"><rect x="116" y="1" width="170" height="50" fill="#F4F7F8" stroke="#D4DDE4" stroke-width="2px" /><text  x="201" y="30" font-size="12px" font-family="Consolas,Monaco,Andale Mono,monospace" fill="#4D4E53" text-anchor="middle" alignment-baseline="middle">WebGLContextEvent</text></a></svg></div>

  a:hover text { fill: #0095DD; pointer-events: all;}

特性

This interface 继承来自其父级接口的特性， 事件 .

WebGLContextEvent.statusMessage

方法

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

范例

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

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.

规范

规范	状态	注释
WebGL 1.0 The definition of 'WebGLContextEvent' in that specification.	推荐	初始定义。

浏览器兼容性

更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
`WebGLContextEvent`	Chrome 9	Edge 12	Firefox 49	IE 11	Opera 12	Safari 5.1	WebView Android Yes	Chrome Android 25	Firefox Android 49	Opera Android 12	Safari iOS 8	Samsung Internet Android 1.5
`statusMessage`	Chrome 9	Edge 12	Firefox 49	IE 11	Opera 12	Safari 5.1	WebView Android Yes	Chrome Android 25	Firefox Android 49	Opera Android 12	Safari iOS 8	Samsung Internet Android 1.5
Available in workers	Chrome No	Edge No	Firefox 49	IE No	Opera No	Safari No	WebView Android No	Chrome Android No	Firefox Android No	Opera Android No	Safari iOS No	Samsung Internet Android No

在此页

继承

特性

方法

范例

规范

浏览器兼容性

图例

另请参阅

元数据

相关话题