{"json_modified": "2016-09-29T01:17:13.183872", "uuid": "9bf513ca-916b-4b96-9c62-927e65ac9214", "title": "HTMLCanvasElement.getContext()", "url": "/en-US/docs/Web/API/HTMLCanvasElement/getContext", "tags": ["Canvas", "API", "HTMLCanvasElement", "Reference", "Method"], "translations": [{"uuid": "e8bd647a-08d6-403a-b301-835764dd9a64", "title": "HTMLCanvasElement.getContext()", "url": "/zh-CN/docs/Web/API/HTMLCanvasElement/getContext", "tags": [], "summary": "<strong><code>HTMLCanvasElement.getContext()</code></strong>\u00a0\u65b9\u6cd5\u8fd4\u56de<a href=\"/zh-CN/docs/Web/JavaScript/Reference/canvas\" title=\"&#x6B64;&#x9875;&#x9762;&#x4ECD;&#x672A;&#x88AB;&#x672C;&#x5730;&#x5316;, &#x671F;&#x5F85;&#x60A8;&#x7684;&#x7FFB;&#x8BD1;!\"><code>canvas</code></a> \u7684\u4e0a\u4e0b\u6587\u6216\u8005\u8fd4\u56de <a href=\"/zh-CN/docs/Web/JavaScript/Reference/Global_Objects/null\" title=\"&#x503C;&#xA0;null&#xA0;&#x662F;&#x4E00;&#x4E2A; JavaScript &#x5B57;&#x9762;&#x91CF;&#xFF0C;&#x8868;&#x793A;&#x7A7A;&#x503C;&#xFF08;null or an &quot;empty&quot; value&#xFF09;&#xFF0C;&#x5373;&#x6CA1;&#x6709;&#x5BF9;&#x8C61;&#x88AB;&#x5448;&#x73B0;&#xFF08;no object value is present&#xFF09;&#x3002;&#x5B83;&#x662F; JavaScript &#x539F;&#x59CB;&#x503C; &#x4E4B;&#x4E00;&#x3002;\"><code>null</code></a> \u5982\u679c\u4e0a\u4e0b\u6587\u6ca1\u6709\u5b9a\u4e49.", "localization_tags": ["inprogress"], "locale": "zh-CN", "last_edit": "2016-08-23T01:49:02", "review_tags": []}], "modified": "2016-09-29T01:17:12", "label": "HTMLCanvasElement.getContext()", "localization_tags": [], "locale": "en-US", "id": 128311, "last_edit": "2016-06-17T02:47:53", "summary": "The <strong><code>HTMLCanvasElement.getContext()</code></strong> method returns a drawing context on the canvas, or <a href=\"/en-US/docs/Web/JavaScript/Reference/Global_Objects/null\" title=\"The value null&#xA0;represents the intentional absence of any object value. It is one of JavaScript's primitive values.\"><code>null</code></a> if the context identifier is not supported.", "sections": [{"id": "Quick_Links", "title": null}, {"id": "Syntax", "title": "Syntax"}, {"id": "Parameters", "title": "Parameters"}, {"id": "Return_value", "title": "Return value"}, {"id": "Examples", "title": "Examples"}, {"id": "Specifications", "title": "Specifications"}, {"id": "Browser_compatibility", "title": "Browser compatibility"}, {"id": "See_also", "title": "See also"}], "slug": "Web/API/HTMLCanvasElement/getContext", "review_tags": []}