{"id":170700,"date":"2024-05-08T17:13:10","date_gmt":"2024-05-08T09:13:10","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/170700.html"},"modified":"2024-05-08T17:13:14","modified_gmt":"2024-05-08T09:13:14","slug":"javascript-%e7%bc%96%e7%a8%8b%e9%a1%b9%e7%9b%ae%e6%80%8e%e4%b9%88%e5%a4%84%e7%90%86%e4%ba%8b%e4%bb%b6%e5%86%92%e6%b3%a1","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/170700.html","title":{"rendered":"JavaScript \u7f16\u7a0b\u9879\u76ee\u600e\u4e48\u5904\u7406\u4e8b\u4ef6\u5192\u6ce1"},"content":{"rendered":"

\"JavaScript<\/p>\n

JavaScript\u7f16\u7a0b\u9879\u76ee\u4e2d\u5904\u7406\u4e8b\u4ef6\u5192\u6ce1\u4e3b\u8981\u6d89\u53ca\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u4e8b\u4ef6\u5192\u6ce1\u3001\u4f7f\u7528event.stopPropagation()<\/code>\u65b9\u6cd5\u3001\u5408\u7406\u5229\u7528\u4e8b\u4ef6\u59d4\u6258<\/strong>\u3002\u4e8b\u4ef6\u5192\u6ce1\u662f\u6307\u5728DOM\u6811\u4e2d\uff0c\u4e00\u4e2a\u4e8b\u4ef6\u89e6\u53d1\u540e\uff0c\u8be5\u4e8b\u4ef6\u4f1a\u4ece\u89e6\u53d1\u5143\u7d20\u5f00\u59cb\uff0c\u9010\u5c42\u5411\u4e0a\u4f20\u64ad\u5230\u6811\u7684\u6839\u90e8\uff08\u901a\u5e38\u662fdocument<\/code>\u5bf9\u8c61\uff09\u3002\u5728\u5177\u4f53\u9879\u76ee\u4e2d\uff0c\u4e0d\u6070\u5f53\u7684\u4e8b\u4ef6\u5192\u6ce1\u53ef\u80fd\u5bfc\u81f4\u591a\u4e2a\u5143\u7d20\u54cd\u5e94\u540c\u4e00\u4e2a\u4e8b\u4ef6\uff0c\u9020\u6210\u610f\u5916\u7684\u526f\u4f5c\u7528\u6216\u6027\u80fd\u95ee\u9898\u3002\u56e0\u6b64\uff0c\u6070\u5f53\u7684\u5904\u7406\u65b9\u6cd5\u80fd\u4f18\u5316\u7528\u6237\u4f53\u9a8c\u5e76\u63d0\u5347\u5e94\u7528\u6027\u80fd\u3002<\/p>\n<\/p>\n

\u5728\u8fdb\u884c\u4e8b\u4ef6\u5904\u7406\u65f6\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u4e8b\u4ef6\u5192\u6ce1<\/strong> \u53ef\u4ee5\u901a\u8fc7\u8c03\u7528\u4e8b\u4ef6\u5bf9\u8c61\u7684event.stopPropagation()<\/code>\u65b9\u6cd5\u5b9e\u73b0\u3002\u8fd9\u4e2a\u65b9\u6cd5\u80fd\u591f\u9632\u6b62\u4e8b\u4ef6\u8fdb\u4e00\u6b65\u4f20\u64ad\u5230\u5176\u4ed6\u8282\u70b9\u3002\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u5e0c\u671b\u4e8b\u4ef6\u53ea\u5728\u76ee\u6807\u5143\u7d20\u4e0a\u89e6\u53d1\uff0c\u800c\u4e0d\u5f71\u54cd\u5176\u4ed6\u5143\u7d20\uff0c\u8fd9\u65f6event.stopPropagation()<\/code>\u663e\u5f97\u5c24\u4e3a\u91cd\u8981\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u70b9\u51fb\u4e8b\u4ef6\u4e2d\u4f7f\u7528\u6b64\u65b9\u6cd5\uff0c\u5c31\u53ef\u4ee5\u9632\u6b62\u70b9\u51fb\u5b50\u5143\u7d20\u65f6\u89e6\u53d1\u7236\u5143\u7d20\u7684\u540c\u7c7b\u4e8b\u4ef6\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u7406\u89e3\u4e8b\u4ef6\u5192\u6ce1<\/h3>\n<\/p>\n

\u4e8b\u4ef6\u5192\u6ce1\u662fDOM\u4e8b\u4ef6\u6d41\u7684\u4e00\u90e8\u5206\uff0c\u5b83\u63cf\u8ff0\u4e86\u4e8b\u4ef6\u4ece\u6700\u6df1\u5c42\u7684\u8282\u70b9\u5f00\u59cb\uff0c\u9010\u7ea7\u5411\u4e0a\u4f20\u64ad\u81f3\u6700\u5916\u5c42\u7684\u8fc7\u7a0b\u3002\u5bf9\u4e8e\u6bcf\u4e2a\u4e8b\u4ef6\uff0c\u6d4f\u89c8\u5668\u5b9a\u4e49\u4e86\u4e00\u4e2a\u4e8b\u4ef6\u6d41\uff0c\u5728\u8fd9\u4e2a\u8fc7\u7a0b\u4e2d\uff0c\u5b9e\u9645\u4e0a\u5206\u4e3a\u4e09\u4e2a\u9636\u6bb5\uff1a\u6355\u83b7\u9636\u6bb5\u3001\u76ee\u6807\u9636\u6bb5\u548c\u5192\u6ce1\u9636\u6bb5\u3002\u4e86\u89e3\u4e8b\u4ef6\u5192\u6ce1\u7684\u5de5\u4f5c\u539f\u7406\u5bf9\u4e8e\u5408\u7406\u5904\u7406\u5b83\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n

\u4e8b\u4ef6\u7684\u5192\u6ce1\u884c\u4e3a\u4f7f\u5f97\u7236\u8282\u70b9\u53ef\u4ee5\u76d1\u542c\u5b50\u8282\u70b9\u4e0a\u7684\u4e8b\u4ef6\uff0c\u8fd9\u4e2a\u7279\u6027\u4f7f\u5f97\u4e0d\u9700\u8981\u5bf9\u6bcf\u4e2a\u8282\u70b9\u5355\u72ec\u8bbe\u7f6e\u76d1\u542c\u5668\uff0c\u56e0\u6b64\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u4ee5\u51cf\u5c11\u4e8b\u4ef6\u76d1\u542c\u5668\u7684\u6570\u91cf\uff0c\u4f18\u5316\u5185\u5b58\u4f7f\u7528\u3002<\/p>\n<\/p>\n

\u4e8c\u3001\u4f7f\u7528event.stopPropagation()<\/code><\/h3>\n<\/p>\n

\u5728JavaScript\u4e2d\uff0cevent.stopPropagation()<\/code>\u65b9\u6cd5\u53ef\u4ee5\u7528\u6765\u963b\u6b62\u4e8b\u4ef6\u7ee7\u7eed\u5192\u6ce1\u5230\u7236\u5143\u7d20\u3002\u8fd9\u4e2a\u65b9\u6cd5\u901a\u5e38\u7528\u5728\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u4e2d\uff0c\u4ee5\u907f\u514d\u4e8b\u4ef6\u5728DOM\u6811\u4e2d\u8fdb\u4e00\u6b65\u4f20\u64ad\u3002<\/p>\n<\/p>\n

\u5f53\u4f60\u5728\u67d0\u4e2a\u5143\u7d20\u4e0a\u89e6\u53d1\u4e86\u4e00\u4e2a\u4e8b\u4ef6\uff0c\u5e76\u4e14\u4e0d\u5e0c\u671b\u8fd9\u4e2a\u4e8b\u4ef6\u5f71\u54cd\u5230\u5176\u4ed6\u5143\u7d20\u65f6\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u5c31\u663e\u5f97\u975e\u5e38\u6709\u7528\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u5d4c\u5957\u7684\u5217\u8868\u4e2d\uff0c\u4f60\u53ef\u80fd\u53ea\u5e0c\u671b\u70b9\u51fb\u5b50\u5217\u8868\u9879\u65f6\u89e6\u53d1\u4e8b\u4ef6\uff0c\u800c\u963b\u6b62\u4e8b\u4ef6\u5f71\u54cd\u5916\u5c42\u5217\u8868\u9879\u3002<\/p>\n<\/p>\n

\u4e09\u3001\u5408\u7406\u5229\u7528\u4e8b\u4ef6\u59d4\u6258<\/h3>\n<\/p>\n

\u4e8b\u4ef6\u59d4\u6258\u662f\u4e00\u79cd\u5e38\u7528\u7684\u4e8b\u4ef6\u5904\u7406\u6a21\u5f0f\uff0c\u5b83\u901a\u8fc7\u5229\u7528\u4e8b\u4ef6\u5192\u6ce1\u7684\u539f\u7406\uff0c\u5c06\u4e8b\u4ef6\u5904\u7406\u5668\u7ed1\u5b9a\u5230\u4e00\u4e2a\u7236\u5143\u7d20\u4e0a\uff0c\u800c\u4e0d\u662f\u6bcf\u4e2a\u5b50\u5143\u7d20\u4e0a\u3002\u8fd9\u6837\uff0c\u5f53\u5b50\u5143\u7d20\u4e0a\u7684\u4e8b\u4ef6\u89e6\u53d1\u5e76\u5192\u6ce1\u5230\u7236\u5143\u7d20\u65f6\uff0c\u7236\u5143\u7d20\u7684\u4e8b\u4ef6\u5904\u7406\u5668\u5c06\u4f1a\u88ab\u6267\u884c\u3002<\/p>\n<\/p>\n

\u8fd9\u79cd\u6a21\u5f0f\u7684\u597d\u5904\u662f\u53ef\u4ee5\u5927\u5927\u51cf\u5c11\u9700\u8981\u7ed1\u5b9a\u5230\u5143\u7d20\u7684\u4e8b\u4ef6\u5904\u7406\u5668\u7684\u6570\u91cf\uff0c\u4ece\u800c\u4f18\u5316\u6027\u80fd\u3002\u5b83\u4e5f\u7b80\u5316\u4e86\u4e8b\u4ef6\u7ba1\u7406\uff0c\u56e0\u4e3a\u6dfb\u52a0\u3001\u79fb\u9664\u548c\u4fee\u6539\u5b50\u5143\u7d20\u4e0d\u9700\u8981\u91cd\u65b0\u7ed1\u5b9a\u4e8b\u4ef6\u5904\u7406\u5668\u3002<\/p>\n<\/p>\n

\u56db\u3001\u907f\u514d\u6ee5\u7528event.stopPropagation()<\/code><\/h3>\n<\/p>\n

\u867d\u7136event.stopPropagation()<\/code>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u662f\u5904\u7406\u4e8b\u4ef6\u5192\u6ce1\u7684\u6709\u6548\u5de5\u5177\uff0c\u4f46\u6ee5\u7528\u5b83\u4e5f\u53ef\u80fd\u9020\u6210\u4e0d\u826f\u540e\u679c\u3002\u4f8b\u5982\uff0c\u963b\u6b62\u4e8b\u4ef6\u5192\u6ce1\u53ef\u80fd\u4f1a\u4f7f\u5176\u4ed6\u4f9d\u8d56\u4e8e\u5192\u6ce1\u6765\u5de5\u4f5c\u7684\u4e8b\u4ef6\u76d1\u542c\u5668\u5931\u6548\uff0c\u6240\u4ee5\u5728\u4f7f\u7528\u8be5\u65b9\u6cd5\u65f6\u8981\u7279\u522b\u5c0f\u5fc3\u3002<\/p>\n<\/p>\n

\u4e00\u822c\u5efa\u8bae\u4ec5\u5728\u786e\u5b9e\u9700\u8981\u65f6\u624d\u4f7f\u7528event.stopPropagation()<\/code>\uff0c\u5e76\u4e14\u8981\u6e05\u695a\u81ea\u5df1\u7684\u7528\u9014\u662f\u4ec0\u4e48\u3002\u5728\u53ef\u80fd\u7684\u60c5\u51b5\u4e0b\uff0c\u5c3d\u91cf\u4f7f\u7528\u4e8b\u4ef6\u59d4\u6258\u6216\u5176\u4ed6\u65b9\u6cd5\u6765\u5904\u7406\u4e8b\u4ef6\uff0c\u4ee5\u907f\u514d\u5bf9\u5192\u6ce1\u6d41\u7a0b\u7684\u5e72\u6270\u3002<\/p>\n<\/p>\n

\u4e94\u3001\u4f7f\u7528event.preventDefault()<\/code>\u4e0e\u5192\u6ce1\u7684\u533a\u522b<\/h3>\n<\/p>\n

\u6709\u65f6event.stopPropagation()<\/code>\u4e0e\u53e6\u4e00\u4e2a\u65b9\u6cd5event.preventDefault()<\/code>\u4f1a\u88ab\u6df7\u6dc6\u3002event.preventDefault()<\/code>\u7528\u4e8e\u963b\u6b62\u4e8b\u4ef6\u7684\u9ed8\u8ba4\u884c\u4e3a\uff0c\u800c\u4e0d\u662f\u505c\u6b62\u4e8b\u4ef6\u7684\u5192\u6ce1\u3002\u8fd9\u4e24\u4e2a\u65b9\u6cd5\u9488\u5bf9\u7684\u662f\u4e0d\u540c\u7684\u4e8b\u4ef6\u5904\u7406\u9700\u6c42\uff0c\u56e0\u6b64\u7406\u89e3\u8fd9\u4e00\u533a\u522b\u5bf9\u4e8e\u6b63\u786e\u4f7f\u7528\u5b83\u4eec\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<\/p>\n

\u6bd4\u5982\uff0c\u5728\u4e00\u4e2a\u8868\u5355\u63d0\u4ea4\u7684\u4e8b\u4ef6\u4e2d\uff0c\u4f60\u53ef\u80fd\u5e0c\u671b\u7528event.preventDefault()<\/code>\u6765\u963b\u6b62\u8868\u5355\u7684\u81ea\u52a8\u63d0\u4ea4\uff0c\u4f46\u5e76\u4e0d\u5e0c\u671b\u963b\u6b62\u4e8b\u4ef6\u5192\u6ce1\u3002<\/p>\n<\/p>\n

\u516d\u3001\u603b\u7ed3\u53ca\u6700\u4f73\u5b9e\u8df5<\/h3>\n<\/p>\n

\u6070\u5f53\u5730\u5904\u7406\u4e8b\u4ef6\u5192\u6ce1\u5bf9\u4e8e\u5f00\u53d1\u9ad8\u6548\u3001\u6613\u7ef4\u62a4\u7684JavaScript\u5e94\u7528\u81f3\u5173\u91cd\u8981\u3002\u5f00\u53d1\u8005\u5e94\u8be5\u719f\u6089event.stopPropagation()<\/code>\u7684\u4f7f\u7528\u573a\u666f\uff0c\u5e76\u4e14\u8ba4\u8bc6\u5230\u4e8b\u4ef6\u59d4\u6258\u4f5c\u4e3a\u4e00\u79cd\u4f18\u5316\u4e8b\u4ef6\u5904\u7406\u7684\u5f3a\u5927\u65b9\u5f0f\u3002<\/p>\n<\/p>\n

\u6700\u4f73\u5b9e\u8df5\u662f\uff1a<\/p>\n<\/p>\n

    \n
  • \u4ec5\u5728\u9700\u8981\u65f6\u4f7f\u7528event.stopPropagation()<\/code>\uff0c\u5e76\u786e\u4fdd\u4e86\u89e3\u5176\u5bf9\u4e8b\u4ef6\u6d41\u7684\u5f71\u54cd\u3002<\/li>\n
  • \u5e7f\u6cdb\u5229\u7528\u4e8b\u4ef6\u59d4\u6258\u6765\u4f18\u5316\u6027\u80fd\u548c\u7b80\u5316\u4e8b\u4ef6\u5904\u7406\u903b\u8f91\u3002<\/li>\n
  • \u5bf9\u4e8eevent.preventDefault()<\/code>\u548cevent.stopPropagation()<\/code>\u7684\u4f7f\u7528\u573a\u666f\u4fdd\u6301\u6e05\u6670\u7684\u8ba4\u8bc6\u3002<\/li>\n<\/ul>\n

    \u901a\u8fc7\u91c7\u7528\u8fd9\u4e9b\u5b9e\u8df5\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u521b\u5efa\u51fa\u65e2\u9ad8\u6548\u53c8\u5177\u6709\u826f\u597d\u7528\u6237\u4f53\u9a8c\u7684JavaScript\u5e94\u7528\u3002<\/p>\n<\/p>\n

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

    \u4ec0\u4e48\u662fJavaScript\u4e8b\u4ef6\u5192\u6ce1\uff1f<\/strong>
    \n\u4e8b\u4ef6\u5192\u6ce1\u662f\u6307\u5f53\u4e00\u4e2a\u5143\u7d20\u4e0a\u53d1\u751f\u67d0\u4e2a\u4e8b\u4ef6\uff08\u5982\u70b9\u51fb\u4e8b\u4ef6\uff09\uff0c\u8be5\u4e8b\u4ef6\u5c06\u4f1a\u6cbf\u7740DOM\u6811\u5411\u4e0a\u5192\u6ce1\uff0c\u89e6\u53d1\u5b83\u7684\u7236\u5143\u7d20\u548c\u7956\u5148\u5143\u7d20\u7684\u76f8\u540c\u4e8b\u4ef6\u3002\u5728JavaScript\u7f16\u7a0b\u9879\u76ee\u4e2d\uff0c\u4e8b\u4ef6\u5192\u6ce1\u7ecf\u5e38\u53d1\u751f\uff0c\u9700\u8981\u8fdb\u884c\u5408\u9002\u7684\u5904\u7406\u3002<\/p>\n

    \u5982\u4f55\u963b\u6b62JavaScript\u4e8b\u4ef6\u5192\u6ce1\uff1f<\/strong>
    \n\u8981\u963b\u6b62\u4e8b\u4ef6\u5192\u6ce1\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e8b\u4ef6\u5bf9\u8c61\u7684stopPropagation\u65b9\u6cd5\u3002\u5728\u4e8b\u4ef6\u5904\u7406\u51fd\u6570\u4e2d\uff0c\u8c03\u7528\u4e8b\u4ef6\u5bf9\u8c61\u7684stopPropagation\u65b9\u6cd5\u53ef\u4ee5\u963b\u6b62\u4e8b\u4ef6\u7ee7\u7eed\u5411\u4e0a\u5192\u6ce1\u3002<\/p>\n

    \u5b83\u51fa\u73b0\u7684\u539f\u56e0\u662f\u4ec0\u4e48\u4ee5\u53ca\u8be5\u5982\u4f55\u5904\u7406\uff1f<\/strong>
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