{"json_modified": "2016-04-14T18:46:49.578327", "uuid": "628de10c-4db5-4de7-b383-c2f72f6f2bb6", "title": "\u70b9\u51fb\u533a\u57df\u548c\u65e0\u969c\u788d\u8bbf\u95ee", "url": "/zh-CN/docs/Web/API/Canvas_API/Tutorial/Hit_regions_and_accessibility", "tags": [], "translations": [{"uuid": "168ef64f-5d1b-4bb4-a5d7-11090a3879e4", "title": "Hit regions and accessibility", "url": "/en-US/docs/Web/API/Canvas_API/Tutorial/Hit_regions_and_accessibility", "tags": ["Canvas", "Graphics", "Tutorial"], "summary": "The content inside the <code>&lt;canvas&gt; ... &lt;/canvas&gt;</code> tags can be used as a fallback for browsers which don't support canvas rendering. It's\u00a0also very useful for assistive technology users (like screen readers) which can read and interpret the sub DOM in it. A good example at <a href=\"https://www.html5accessibility.com/tests/canvas.html\">html5accessibility.com</a> demonstrates how this can be done:", "localization_tags": [], "locale": "en-US", "last_edit": "2015-05-13T12:40:09", "review_tags": []}], "modified": "2016-04-14T18:46:49", "label": "\u70b9\u51fb\u533a\u57df\u548c\u65e0\u969c\u788d\u8bbf\u95ee", "localization_tags": [], "locale": "zh-CN", "id": 145151, "last_edit": "2016-04-14T18:46:46", "summary": "<canvas> ...\u00a0</canvas>\u6807\u7b7e\u91cc\u7684\u5185\u5bb9\u88ab\u53ef\u4ee5\u5bf9\u4e00\u4e9b\u4e0d\u652f\u6301canvas\u7684\u6d4f\u89c8\u5668\u63d0\u4f9b\u517c\u5bb9\u3002\u8fd9\u5bf9\u6b8b\u75be\u7528\u6237\u8bbe\u5907\u4e5f\u5f88\u6709\u7528\uff08\u6bd4\u5982\u5c4f\u5e55\u9605\u8bfb\u5668\uff09\uff0c\u8fd9\u6837\u5b83\u4eec\u5c31\u53ef\u4ee5\u8bfb\u53d6\u5e76\u89e3\u91caDOM\u91cc\u7684\u5b50\u8282\u70b9\u3002\u5728<a href=\"https://www.html5accessibility.com/tests/canvas.html\">html5accessibility.com</a>\u6709\u4e2a\u5f88\u597d\u7684\u4f8b\u5b50\u6765\u6f14\u793a\u5b83\u5982\u4f55\u8fd0\u4f5c\u3002", "sections": [{"id": "Quick_Links", "title": null}, {"id": "\u5185\u5bb9\u517c\u5bb9", "title": "\u5185\u5bb9\u517c\u5bb9"}, {"id": "ARIA_\u89c4\u5219", "title": "ARIA \u89c4\u5219"}, {"id": "\u70b9\u51fb\u533a\u57df\uff08hit_region\uff09", "title": "\u70b9\u51fb\u533a\u57df\uff08hit region\uff09"}, {"id": "\u7126\u70b9\u5708", "title": "\u7126\u70b9\u5708"}, {"id": "\u76f8\u5173\u5185\u5bb9", "title": "\u76f8\u5173\u5185\u5bb9"}], "slug": "Web/API/Canvas_API/Tutorial/Hit_regions_and_accessibility", "review_tags": []}