{"id":170977,"date":"2024-05-08T17:19:16","date_gmt":"2024-05-08T09:19:16","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/170977.html"},"modified":"2024-05-08T17:19:19","modified_gmt":"2024-05-08T09:19:19","slug":"javascript-dom%e7%bc%96%e7%a8%8b%e8%89%ba%e6%9c%af%e7%ac%ac2%e7%89%88%e4%b8%ad113%e9%a1%b5%e7%9a%84%e9%97%ae%e9%a2%98%e7%96%91%e9%97%ae","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/170977.html","title":{"rendered":"javascript DOM\u7f16\u7a0b\u827a\u672f\u7b2c2\u7248\u4e2d113\u9875\u7684\u95ee\u9898\u7591\u95ee"},"content":{"rendered":"

\"javascript<\/p>\n

\u662f\u7684\uff0c\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8JavaScript DOM\u7f16\u7a0b\u827a\u672f\u7684\u5173\u952e\u6982\u5ff5\uff0c\u5e76\u89e3\u51b3\u7279\u5b9a\u7684\u7591\u95ee\u3002JavaScript DOM\u7f16\u7a0b\u662f\u5173\u4e8e\u5982\u4f55\u4f7f\u7528JavaScript\u4e0e\u6587\u6863\u5bf9\u8c61\u6a21\u578b\uff08DOM\uff09\u4ea4\u4e92\u3001\u521b\u5efa\u52a8\u6001\u7684\u3001\u54cd\u5e94\u5f0f\u7684\u7f51\u9875\u3002<\/strong> \u5176\u4e2d\u6700\u6838\u5fc3\u7684\u8981\u70b9\u5305\u62ec\u5904\u7406\u4e8b\u4ef6\u3001\u64cd\u4f5c\u5143\u7d20\u548c\u5185\u5bb9\u3001\u4ee5\u53ca\u5229\u7528DOM\u7684\u6811\u72b6\u7ed3\u6784\u3002\u8ba9\u6211\u4eec\u91cd\u70b9\u63a2\u8ba8\u5982\u4f55\u5229\u7528DOM\u7684\u6811\u72b6\u7ed3\u6784\u6765\u63d0\u9ad8\u7f51\u9875\u7684\u4ea4\u4e92\u6027\u548c\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<\/p>\n

DOM\u7684\u6811\u72b6\u7ed3\u6784\u5141\u8bb8\u5f00\u53d1\u8005\u901a\u8fc7JavaScript\u4ee5\u4e00\u79cd\u5c42\u6b21\u5316\u7684\u65b9\u5f0f\u6765\u8bbf\u95ee\u548c\u64cd\u4f5c\u7f51\u9875\u7684\u5404\u4e2a\u5143\u7d20\u3002\u7406\u89e3\u548c\u8fd0\u7528\u8fd9\u4e00\u6982\u5ff5\u5bf9\u4e8e\u521b\u5efa\u52a8\u6001\u5185\u5bb9\u5c24\u4e3a\u5173\u952e\uff0c\u56e0\u4e3a\u5b83\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u901a\u8fc7\u7b80\u5355\u5730\u66f4\u6539\u8282\u70b9\u5c5e\u6027\u6216\u5185\u5bb9\uff0c\u6765\u6539\u53d8\u7f51\u9875\u7684\u89c6\u89c9\u8868\u73b0\u548c\u884c\u4e3a\u3002\u8fd9\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\uff0c\u4e5f\u4f7f\u5f97\u7f51\u9875\u66f4\u52a0\u4e92\u52a8\u548c\u52a8\u6001\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u7406\u89e3DOM<\/h2>\n<\/p>\n

DOM\uff0c\u5373\u6587\u6863\u5bf9\u8c61\u6a21\u578b\uff0c\u662fweb\u7f16\u7a0b\u4e2d\u7684\u6838\u5fc3\u6982\u5ff5\u3002\u5b83\u4e3a\u7f51\u9875\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7ed3\u6784\u5316\u7684\u8868\u793a\uff0c\u5e76\u5b9a\u4e49\u4e86\u8bbf\u95ee\u8be5\u7ed3\u6784\u5e76\u4fee\u6539\u5b83\u7684\u65b9\u6cd5\u3002\u7406\u89e3DOM\u662f\u8fdb\u884c\u9ad8\u6548JavaScript\u7f16\u7a0b\u7684\u57fa\u7840\u3002<\/p>\n<\/p>\n

DOM\u5c06\u7f51\u9875\u89e3\u6790\u6210\u4e00\u4e2a\u6811\u72b6\u7ed3\u6784<\/strong>\uff0c\u5176\u4e2d\u6bcf\u4e2a\u8282\u70b9\u4ee3\u8868\u9875\u9762\u4e0a\u7684\u4e00\u90e8\u5206\uff0c\u6bd4\u5982\u6807\u7b7e\u3001\u5c5e\u6027\u6216\u6587\u672c\u3002\u8fd9\u79cd\u7ed3\u6784\u4f7f\u5f00\u53d1\u8005\u53ef\u4ee5\u8f7b\u677e\u5730\u901a\u8fc7JavaScript\u8bbf\u95ee\u3001\u4fee\u6539\u6216\u5220\u9664\u9875\u9762\u7684\u4e0d\u540c\u90e8\u5206\u3002\u65e0\u8bba\u662f\u6dfb\u52a0\u52a8\u6001\u5185\u5bb9\u3001\u6ce8\u518c\u4e8b\u4ef6\u76d1\u542c\u5668\u3001\u8fd8\u662f\u4fee\u6539CSS\u6837\u5f0f\uff0c\u638c\u63e1DOM\u64cd\u4f5c\u5bf9\u4e8e\u5f00\u53d1\u5bcc\u6709\u4ea4\u4e92\u6027\u7684Web\u5e94\u7528\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u4e8b\u4ef6\u5904\u7406<\/h2>\n<\/p>\n

\u5728JavaScript DOM\u7f16\u7a0b\u4e2d\uff0c\u5904\u7406\u4e8b\u4ef6\u662f\u53e6\u4e00\u4e2a\u6838\u5fc3\u6982\u5ff5\u3002\u4e8b\u4ef6\u662f\u7f51\u9875\u4e2d\u53d1\u751f\u7684\u4e8b\u60c5\uff0c\u6bd4\u5982\u70b9\u51fb\u6309\u94ae\u3001\u63d0\u4ea4\u8868\u5355\u6216\u9f20\u6807\u79fb\u52a8\u3002<\/p>\n<\/p>\n

\u4e8b\u4ef6\u76d1\u542c\u5668\u4f7f\u5f97\u5f00\u53d1\u8005\u80fd\u591f\u5b9a\u4e49\u5f53\u7279\u5b9a\u4e8b\u4ef6\u53d1\u751f\u65f6\u6267\u884c\u7684\u4ee3\u7801\u3002<\/strong> \u901a\u8fc7\u4e3a\u5143\u7d20\u6dfb\u52a0\u4e8b\u4ef6\u76d1\u542c\u5668\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u521b\u5efa\u4ea4\u4e92\u5f0f\u7684\u7528\u6237\u754c\u9762\uff0c\u63d0\u9ad8\u7f51\u9875\u7684\u54cd\u5e94\u6027\u3002\u6b63\u786e\u4f7f\u7528\u4e8b\u4ef6\u76d1\u542c\u5668\uff0c\u5e76\u4f18\u5316\u4e8b\u4ef6\u5904\u7406\u903b\u8f91\uff0c\u662f\u63d0\u5347\u7528\u6237\u4f53\u9a8c\u7684\u5173\u952e\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u64cd\u4f5c\u5143\u7d20\u548c\u5185\u5bb9<\/h2>\n<\/p>\n

\u64cd\u4f5c\u7f51\u9875\u4e0a\u7684\u5143\u7d20\u548c\u5185\u5bb9\u662fJavaScript DOM\u7f16\u7a0b\u7684\u53e6\u4e00\u4e2a\u91cd\u8981\u65b9\u9762\u3002\u8fd9\u5305\u62ec\u521b\u5efa\u65b0\u7684HTML\u5143\u7d20\u3001\u4fee\u6539\u73b0\u6709\u5143\u7d20\u7684\u5c5e\u6027\u6216\u5185\u5bb9\u3001\u4ee5\u53ca\u52a8\u6001\u6539\u53d8\u5143\u7d20\u7684\u6837\u5f0f\u3002<\/p>\n<\/p>\n

\u901a\u8fc7DOM API\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u8f7b\u677e\u5b9e\u73b0\u8fd9\u4e9b\u64cd\u4f5c<\/strong>\uff0c\u4ece\u800c\u6839\u636e\u7528\u6237\u7684\u884c\u4e3a\u6216\u5176\u4ed6\u7a0b\u5e8f\u903b\u8f91\u52a8\u6001\u5730\u66f4\u65b0\u7f51\u9875\u5185\u5bb9\u3002\u638c\u63e1\u5982\u4f55\u7cbe\u786e\u5730\u5b9a\u4f4d\u548c\u64cd\u4f5cDOM\u6811\u4e2d\u7684\u5143\u7d20\u5bf9\u4e8e\u5f00\u53d1\u9ad8\u8d28\u91cf\u7684Web\u5e94\u7528\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n

\u56db\u3001\u5229\u7528DOM\u7684\u6811\u72b6\u7ed3\u6784<\/h2>\n<\/p>\n

\u6b63\u5982\u524d\u6587\u6240\u8ff0\uff0cDOM\u7684\u6811\u72b6\u7ed3\u6784\u662f\u5176\u6838\u5fc3\u7279\u6027<\/strong>\u4e4b\u4e00\uff0c\u56e0\u4e3a\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u76f4\u89c2\u7684\u65b9\u5f0f\u6765\u67e5\u627e\u548c\u4fee\u6539\u6587\u6863\u7684\u5404\u4e2a\u90e8\u5206\u3002\u901a\u8fc7\u904d\u5386DOM\u6811\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u8bbf\u95ee\u5230\u7f51\u9875\u7684\u4efb\u4f55\u5143\u7d20\uff0c\u5e76\u6267\u884c\u5404\u79cd\u64cd\u4f5c\u3002<\/p>\n<\/p>\n

\u638c\u63e1\u5982\u4f55\u9ad8\u6548\u904d\u5386\u548c\u641c\u7d22DOM\u6811\u5bf9\u4e8e\u7f16\u5199\u9ad8\u6027\u80fd\u7684JavaScript\u4ee3\u7801\u6781\u4e3a\u91cd\u8981\u3002\u6b64\u5916\uff0c\u4e86\u89e3\u5982\u4f55\u6700\u5c0f\u5316\u5bf9DOM\u7684\u64cd\u4f5c\uff0c\u4ee5\u53ca\u5982\u4f55\u5229\u7528\u73b0\u4ee3\u6d4f\u89c8\u5668\u63d0\u4f9b\u7684API\u6765\u4f18\u5316DOM\u64cd\u4f5c\uff0c\u4e5f\u662f\u63d0\u5347Web\u5e94\u7528\u6027\u80fd\u7684\u5173\u952e\u3002<\/p>\n<\/p>\n

\u4e94\u3001\u603b\u7ed3\u4e0e\u5b9e\u8df5<\/h2>\n<\/p>\n

JavaScript\u548cDOM\u7684\u7ed3\u5408\u4f7f\u7528\u4e3a\u521b\u5efa\u52a8\u6001\u3001\u4e92\u52a8\u7684\u7f51\u9875\u63d0\u4f9b\u4e86\u65e0\u9650\u7684\u53ef\u80fd\u3002\u901a\u8fc7\u6df1\u5165\u7406\u89e3\u548c\u5b9e\u8df5\u672c\u6587\u4e2d\u8ba8\u8bba\u7684\u6838\u5fc3\u6982\u5ff5\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u63d0\u9ad8\u4ed6\u4eec\u7684\u7f16\u7a0b\u6280\u80fd\uff0c\u5e76\u6784\u5efa\u51fa\u66f4\u52a0\u5148\u8fdb\u3001\u7528\u6237\u53cb\u597d\u7684Web\u5e94\u7528\u3002<\/p>\n<\/p>\n

\u5b9e\u8df5\u662f\u63d0\u9ad8\u6280\u80fd\u7684\u6700\u4f73\u9014\u5f84\u3002<\/strong> \u5f00\u53d1\u8005\u5e94\u8be5\u5c1d\u8bd5\u5728\u4e2a\u4eba\u9879\u76ee\u4e2d\u5e94\u7528\u8fd9\u4e9b\u6982\u5ff5\uff0c\u5e76\u5bfb\u627e\u673a\u4f1a\u6df1\u5165\u7814\u7a76\u548c\u63a2\u7d22JavaScript DOM\u7684\u66f4\u591a\u65b9\u9762\u3002\u968f\u7740\u65f6\u95f4\u7684\u63a8\u79fb\uff0c\u901a\u8fc7\u4e0d\u65ad\u7684\u5b66\u4e60\u548c\u5b9e\u8df5\uff0c\u5f00\u53d1\u8005\u4f1a\u53d1\u73b0\u4ed6\u4eec\u80fd\u591f\u66f4\u52a0\u7075\u6d3b\u548c\u9ad8\u6548\u5730\u4f7f\u7528JavaScript\u548cDOM\u6765\u521b\u9020\u51fa\u5f15\u4eba\u5165\u80dc\u7684\u7f51\u9875\u3002<\/p>\n<\/p>\n

\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n

1. \u5982\u4f55\u5728 JavaScript DOM \u7f16\u7a0b\u827a\u672f\u7b2c 2 \u7248\u4e2d\u7684\u9875\u9762 113 \u9875\u4e2d\u89e3\u51b3\u5e38\u89c1\u7684\u7f16\u7a0b\u95ee\u9898\uff1f<\/strong><\/p>\n

\u5728 JavaScript DOM \u7f16\u7a0b\u827a\u672f\u7b2c 2 \u7248\u4e2d\u7684\u9875\u9762 113 \u9875\uff0c\u4f5c\u8005\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5e38\u89c1\u7684\u7f16\u7a0b\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6cd5\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u4ed4\u7ec6\u9605\u8bfb\u9875\u9762 113 \u9875\u7684\u5185\u5bb9\uff0c\u5b66\u4e60\u5982\u4f55\u89e3\u51b3\u4ee3\u7801\u4e2d\u7684\u5e38\u89c1\u9519\u8bef\u548c\u95ee\u9898\u3002\u4f5c\u8005\u53ef\u80fd\u63d0\u5230\u4e86\u4e00\u4e9b\u8c03\u8bd5\u6280\u5de7\u3001\u6700\u4f73\u5b9e\u8df5\u6216\u8005\u7279\u5b9a\u7684\u4ee3\u7801\u793a\u4f8b\u6765\u5e2e\u52a9\u8bfb\u8005\u66f4\u597d\u5730\u7406\u89e3\u548c\u89e3\u51b3\u95ee\u9898\u3002<\/p>\n

2. \u5728 JavaScript DOM \u7f16\u7a0b\u827a\u672f\u7b2c 2 \u7248\u4e2d\u7684\u9875\u9762 113 \u9875\u4e2d\u6709\u54ea\u4e9b\u5b9e\u4f8b\u53ef\u4ee5\u5e2e\u52a9\u6211\u63d0\u9ad8 DOM \u7f16\u7a0b\u6280\u5de7\uff1f<\/strong><\/p>\n

\u9875\u9762 113 \u9875\u662f JavaScript DOM \u7f16\u7a0b\u827a\u672f\u7b2c 2 \u7248\u4e2d\u7684\u4e00\u4e2a\u91cd\u8981\u9875\u9762\uff0c\u5176\u4e2d\u53ef\u80fd\u4f1a\u6709\u4e00\u4e9b\u4e0e DOM \u7f16\u7a0b\u76f8\u5173\u7684\u5b9e\u4f8b\u3002\u8fd9\u4e9b\u5b9e\u4f8b\u53ef\u4ee5\u5e2e\u52a9\u4f60\u63d0\u9ad8 JavaScript DOM \u7f16\u7a0b\u7684\u6280\u5de7\u548c\u7406\u89e3\u3002\u901a\u8fc7\u4ed4\u7ec6\u7814\u7a76\u9875\u9762 113 \u9875\u7684\u5185\u5bb9\uff0c\u4f60\u53ef\u4ee5\u5b66\u4e60\u5982\u4f55\u64cd\u4f5c DOM \u5143\u7d20\u3001\u4f7f\u7f51\u9875\u52a8\u6001\u6027\u66f4\u5f3a\u3001\u54cd\u5e94\u7528\u6237\u64cd\u4f5c\u7b49\u7b49\u3002\u8fd9\u4e9b\u5b9e\u4f8b\u53ef\u4ee5\u63d0\u4f9b\u5b9d\u8d35\u7684\u7ecf\u9a8c\u548c\u793a\u8303\uff0c\u5e2e\u52a9\u4f60\u5728\u5b9e\u9645\u7684\u9879\u76ee\u4e2d\u66f4\u597d\u5730\u5e94\u7528 DOM \u7f16\u7a0b\u3002<\/p>\n

3. \u5728 JavaScript DOM \u7f16\u7a0b\u827a\u672f\u7b2c 2 \u7248\u4e2d\u7684\u9875\u9762 113 \u9875\u8fd8\u6709\u5176\u4ed6\u4e0e DOM \u7f16\u7a0b\u76f8\u5173\u7684\u5185\u5bb9\u5417\uff1f<\/strong><\/p>\n

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