\u4e8b\u4ef6\u5faa\u73af\u662f\u5b9e\u73b0\u975e\u963b\u585e\u5f0f\u884c\u4e3a\u7684\u6838\u5fc3<\/strong>\uff0c\u5b83\u5141\u8bb8JavaScript\u4ee3\u7801\u5728\u6267\u884c\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u4efb\u52a1\u65f6\uff0c\u4e0d\u4f1a\u51bb\u7ed3\u7528\u6237\u754c\u9762\uff0c\u786e\u4fdd\u4e86\u5e94\u7528\u7684\u6d41\u7545\u6027\u3002\u8fd9\u79cd\u673a\u5236\u610f\u5473\u7740\u590d\u6742\u7684\u80cc\u666f\u4efb\u52a1\uff08\u5982\u6570\u636e\u52a0\u8f7d\uff09\u548c\u7528\u6237\u4ea4\u4e92\u53ef\u4ee5\u65e0\u7f1d\u8fdb\u884c\uff0c\u4e0d\u4f1a\u76f8\u4e92\u963b\u585e\u3002<\/p>\n<\/p>\n\u4e00\u3001\u4e8b\u4ef6\u5faa\u73af<\/h3>\n<\/p>\n
\u4e8b\u4ef6\u5faa\u73af\u662fJavaScript\u7684\u6838\u5fc3\u6982\u5ff5\u4e4b\u4e00\uff0c\u5b83\u4f7f\u5f97JavaScript\u53ef\u4ee5\u6267\u884c\u975e\u963b\u585e\u6027\u64cd\u4f5c\u3002\u5728JavaScript\u4e2d\uff0c\u5f53\u4ee3\u7801\u6267\u884c\u5230\u4e00\u4e2a\u5f02\u6b65\u64cd\u4f5c\u65f6\uff0c\u8fd9\u4e2a\u64cd\u4f5c\u4f1a\u88ab\u653e\u5230\u4e00\u4e2a\u5f85\u5904\u7406\u961f\u5217\u4e2d\uff0c\u800c\u4e0d\u662f\u7acb\u5373\u6267\u884c\u3002\u5f53\u5f53\u524d\u7684\u6267\u884c\u6808\u4e3a\u7a7a\u65f6\uff08\u5373\u6ca1\u6709\u5176\u4ed6\u4ee3\u7801\u6b63\u5728\u6267\u884c\uff09\uff0c\u4e8b\u4ef6\u5faa\u73af\u5c31\u4f1a\u4ece\u961f\u5217\u4e2d\u53d6\u51fa\u4efb\u52a1\u6765\u6267\u884c\u3002<\/p>\n<\/p>\n
\u8fd9\u610f\u5473\u7740\uff0c\u5373\u4fbf\u662f\u5728\u6267\u884c\u5927\u91cf\u8ba1\u7b97\u6216\u8fdb\u884c\u7f51\u7edc\u8bf7\u6c42\u7b49\u53ef\u80fd\u8017\u65f6\u7684\u64cd\u4f5c\u65f6\uff0c\u7528\u6237\u754c\u9762\u4f9d\u7136\u662f\u54cd\u5e94\u7684\uff0c\u56e0\u4e3a\u8fd9\u4e9b\u64cd\u4f5c\u662f\u5f02\u6b65\u8fdb\u884c\u7684\u3002\u8fd9\u79cd\u673a\u5236\u786e\u4fdd\u4e86JavaScript\u5e94\u7528\u65e2\u80fd\u591f\u5904\u7406\u590d\u6742\u7684\u540e\u53f0\u4efb\u52a1\uff0c\u540c\u65f6\u4e5f\u4fdd\u8bc1\u4e86\u524d\u7aef\u7684\u6d41\u7545\u4f53\u9a8c\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u56de\u8c03\u51fd\u6570<\/h3>\n<\/p>\n
\u56de\u8c03\u51fd\u6570\u662f\u4e00\u79cd\u8ba9\u7a0b\u5e8f\u77e5\u9053\u67d0\u4e00\u5f02\u6b65\u64cd\u4f5c\u4f55\u65f6\u5b8c\u6210\u53ca\u5176\u7ed3\u679c\u7684\u6280\u672f\u3002\u5b83\u4eec\u901a\u5e38\u4f5c\u4e3a\u53c2\u6570\u4f20\u9012\u7ed9\u6267\u884c\u5f02\u6b65\u64cd\u4f5c\u7684\u51fd\u6570\uff0c\u4e00\u65e6\u5f02\u6b65\u64cd\u4f5c\u5b8c\u6210\uff08\u65e0\u8bba\u662f\u6210\u529f\u8fd8\u662f\u5931\u8d25\uff09\uff0c\u56de\u8c03\u51fd\u6570\u5c31\u4f1a\u88ab\u8c03\u7528\u3002<\/p>\n<\/p>\n
\u5c3d\u7ba1\u56de\u8c03\u51fd\u6570\u662f\u5904\u7406\u5f02\u6b65\u64cd\u4f5c\u7684\u4e00\u79cd\u65b9\u5f0f\uff0c\u4f46\u5b83\u4eec\u4e5f\u53ef\u80fd\u5bfc\u81f4\u6240\u8c13\u7684\u201c\u56de\u8c03\u5730\u72f1\u201d\uff0c\u7279\u522b\u662f\u5728\u5904\u7406\u591a\u4e2a\u4f9d\u8d56\u7684\u5f02\u6b65\u64cd\u4f5c\u65f6\u3002\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0cJavaScript\u5f15\u5165\u4e86Promises\u3002<\/p>\n<\/p>\n
\u4e09\u3001Promises<\/h3>\n<\/p>\n
Promises\u63d0\u4f9b\u4e86\u4e00\u79cd\u66f4\u7b80\u6d01\u7684\u65b9\u6cd5\u6765\u5904\u7406\u5f02\u6b65\u64cd\u4f5c<\/strong>\u3002\u4e00\u4e2aPromise\u4ee3\u8868\u4e00\u4e2a\u6700\u7ec8\u4f1a\u5b8c\u6210\u6216\u5931\u8d25\u7684\u64cd\u4f5c\uff0c\u5b83\u8ba9\u6211\u4eec\u80fd\u591f\u4ee5\u66f4\u63a5\u8fd1\u540c\u6b65\u4ee3\u7801\u7684\u65b9\u5f0f\u7f16\u5199\u5f02\u6b65\u4ee3\u7801\u3002\u4f7f\u7528Promises\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528.then()<\/code>\u548c.catch()<\/code>\u65b9\u6cd5\u6765\u5206\u522b\u5904\u7406\u6210\u529f\u548c\u5931\u8d25\u7684\u60c5\u51b5\uff0c\u907f\u514d\u4e86\u56de\u8c03\u5730\u72f1\u7684\u95ee\u9898\u3002<\/p>\n<\/p>\nPromises\u7684\u5f15\u5165\uff0c\u6781\u5927\u7b80\u5316\u4e86\u5f02\u6b65\u64cd\u4f5c\u7684\u7ba1\u7406\uff0c\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u6e05\u6670\u3001\u6613\u4e8e\u7406\u89e3\u548c\u7ef4\u62a4\u3002<\/p>\n<\/p>\n
\u56db\u3001Async\/Await<\/h3>\n<\/p>\n
Async\/await\u662f\u5efa\u7acb\u5728Promises\u4e4b\u4e0a\u7684\u9ad8\u7ea7\u8bed\u6cd5\uff0c\u5b83\u8ba9\u5f02\u6b65\u4ee3\u7801\u770b\u8d77\u6765\u548c\u540c\u6b65\u4ee3\u7801\u66f4\u76f8\u4f3c\u3002\u901a\u8fc7\u4f7f\u7528async<\/code>\u5173\u952e\u5b57\u58f0\u660e\u7684\u51fd\u6570\u603b\u662f\u8fd4\u56de\u4e00\u4e2aPromise\uff0c\u800cawait<\/code>\u5173\u952e\u5b57\u53ef\u4ee5\u7528\u6765\u7b49\u5f85\u4e00\u4e2aPromise\u89e3\u51b3\uff0c\u6682\u505c\u51fd\u6570\u7684\u6267\u884c\uff0c\u76f4\u5230Promise\u89e3\u51b3\u3002<\/p>\n<\/p>\n\u8fd9\u79cd\u65b9\u5f0f\u4f7f\u5f97\u7f16\u5199\u5f02\u6b65\u4ee3\u7801\u66f4\u52a0\u76f4\u89c2\u548c\u7b80\u6d01\uff0c\u540c\u65f6\u4fdd\u7559\u4e86\u975e\u963b\u585e\u7684\u4f18\u52bf\u3002\u5b83\u907f\u514d\u4e86\u5728\u4f7f\u7528Promises\u65f6\u53ef\u80fd\u51fa\u73b0\u7684\u94fe\u5f0f\u8c03\u7528\uff0c\u8ba9\u4ee3\u7801\u7684\u903b\u8f91\u66f4\u52a0\u6e05\u6670\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u7ed3\u8bba<\/h3>\n<\/p>\n
\u7406\u89e3JavaScript\u4e3a\u65e0\u963b\u585e\u5f0f\u8bed\u8a00\u7684\u5173\u952e\uff0c\u5c31\u5728\u4e8e\u5176\u72ec\u7279\u7684\u4e8b\u4ef6\u5faa\u73af\u673a\u5236\u548c\u5f02\u6b65\u7f16\u7a0b\u6280\u672f\u3002\u901a\u8fc7\u4e8b\u4ef6\u5faa\u73af\u3001\u56de\u8c03\u51fd\u6570\u3001Promises\u4ee5\u53caasync\/await\uff0cJavaScript\u80fd\u6709\u6548\u7ba1\u7406\u5f02\u6b65\u64cd\u4f5c\uff0c\u540c\u65f6\u4fdd\u8bc1\u754c\u9762\u7684\u54cd\u5e94\u6027\u548c\u7528\u6237\u4f53\u9a8c\u3002\u8fd9\u4e9b\u673a\u5236\u5171\u540c\u5de5\u4f5c\uff0c\u4f7f\u5f97JavaScript\u4e0d\u4ec5\u9002\u7528\u4e8e\u5f00\u53d1\u7b80\u5355\u7684\u4ea4\u4e92\u6548\u679c\uff0c\u4e5f\u80fd\u591f\u6784\u5efa\u590d\u6742\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\nJavaScript\u662f\u4e00\u79cd\u65e0\u963b\u585e\u5f0f\u8bed\u8a00\uff0c\u8fd9\u610f\u5473\u7740\u4ec0\u4e48\uff1f<\/strong><\/p>\n\n- \n
\u4ec0\u4e48\u662f\u65e0\u963b\u585e\u5f0f\u8bed\u8a00\uff1f<\/strong>
\n\u65e0\u963b\u585e\u5f0f\u8bed\u8a00\u6307\u7684\u662f\u4ee3\u7801\u6267\u884c\u7684\u65b9\u5f0f\uff0c\u5373\u4e0d\u4f1a\u56e0\u4e3a\u67d0\u4e2a\u64cd\u4f5c\u7684\u963b\u585e\u800c\u5bfc\u81f4\u6574\u4e2a\u7a0b\u5e8f\u505c\u6b62\u54cd\u5e94\u3002\u5728JavaScript\u4e2d\uff0c\u4ee3\u7801\u7684\u6267\u884c\u662f\u5f02\u6b65\u7684\uff0c\u4e0d\u4f1a\u56e0\u4e3a\u67d0\u4e2a\u64cd\u4f5c\u7684\u7b49\u5f85\u800c\u963b\u585e\u5176\u4ed6\u4efb\u52a1\u7684\u6267\u884c\u3002<\/p>\n<\/li>\n- \n
\u54ea\u4e9b\u573a\u666f\u4e0bJavaScript\u7684\u65e0\u963b\u585e\u6027\u80fd\u4f18\u52bf\u660e\u663e\uff1f<\/strong>
\n\u65e0\u963b\u585e\u5f0f\u8bed\u8a00\u7279\u522b\u9002\u5408\u5904\u7406I\/O\u5bc6\u96c6\u578b\u7684\u573a\u666f\uff0c\u4f8b\u5982\u7f51\u7edc\u8bf7\u6c42\u3001\u8bfb\u5199\u6587\u4ef6\u7b49\u3002\u5bf9\u4e8e\u8fd9\u4e9b\u64cd\u4f5c\uff0cJavaScript\u4e0d\u4f1a\u963b\u585e\u5176\u4ed6\u4efb\u52a1\u7684\u6267\u884c\uff0c\u53ef\u4ee5\u5728\u540e\u53f0\u8fdb\u884c\uff0c\u5e76\u5728\u5b8c\u6210\u540e\u901a\u77e5\u4e3b\u7ebf\u7a0b\u3002<\/p>\n<\/li>\n- \n
\u65e0\u963b\u585e\u5f0f\u8bed\u8a00\u5982\u4f55\u5b9e\u73b0\u5f02\u6b65\u64cd\u4f5c\uff1f<\/strong>
\nJavaScript\u901a\u8fc7\u4f7f\u7528\u4e8b\u4ef6\u5faa\u73af\u673a\u5236\u548c\u56de\u8c03\u51fd\u6570\u6765\u5b9e\u73b0\u5f02\u6b65\u64cd\u4f5c\u3002\u5f53\u53d1\u8d77\u4e00\u4e2a\u5f02\u6b65\u4efb\u52a1\u65f6\uff0cJavaScript\u4f1a\u5c06\u4efb\u52a1\u6dfb\u52a0\u5230\u4e8b\u4ef6\u961f\u5217\u4e2d\uff0c\u5728\u4e3b\u7ebf\u7a0b\u7a7a\u95f2\u65f6\u6267\u884c\u961f\u5217\u4e2d\u7684\u4efb\u52a1\u3002<\/p>\n<\/li>\n<\/ul>\n\u4e3a\u4ec0\u4e48JavaScript\u7684\u65e0\u963b\u585e\u6027\u80fd\u4f18\u52bf\u91cd\u8981\uff1f<\/strong><\/p>\n\n- \n
\u65e0\u963b\u585e\u6027\u80fd\u5bf9\u4e8e\u7528\u6237\u4f53\u9a8c\u6709\u4f55\u5f71\u54cd\uff1f<\/strong>
\n\u7531\u4e8eJavaScript\u7684\u65e0\u963b\u585e\u6027\u80fd\uff0c\u53ef\u4ee5\u5728\u6267\u884c\u8017\u65f6\u7684\u64cd\u4f5c\u65f6\u4f9d\u7136\u4fdd\u6301\u9875\u9762\u7684\u54cd\u5e94\u6027\u3002\u4f8b\u5982\uff0c\u5728\u8fdb\u884c\u7f51\u7edc\u8bf7\u6c42\u65f6\uff0c\u9875\u9762\u53ef\u4ee5\u7ee7\u7eed\u6e32\u67d3\uff0c\u7528\u6237\u4e0d\u4f1a\u611f\u5230\u9875\u9762\u5361\u987f\u3002<\/p>\n<\/li>\n- \n
\u65e0\u963b\u585e\u6027\u80fd\u5982\u4f55\u63d0\u9ad8\u4ee3\u7801\u7684\u6267\u884c\u6548\u7387\uff1f<\/strong>
\nJavaScript\u7684\u65e0\u963b\u585e\u6027\u80fd\u53ef\u4ee5\u4f7f\u5f97\u4ee3\u7801\u6267\u884c\u66f4\u9ad8\u6548\u3002\u5728\u7b49\u5f85\u67d0\u4e2a\u64cd\u4f5c\u5b8c\u6210\u7684\u8fc7\u7a0b\u4e2d\uff0cJavaScript\u53ef\u4ee5\u7ee7\u7eed\u6267\u884c\u5176\u4ed6\u7684\u4efb\u52a1\uff0c\u4ece\u800c\u63d0\u9ad8\u4ee3\u7801\u7684\u6267\u884c\u6548\u7387\u3002<\/p>\n<\/li>\n- \n
\u65e0\u963b\u585e\u6027\u80fd\u5982\u4f55\u63d0\u9ad8\u7cfb\u7edf\u7684\u5e76\u53d1\u80fd\u529b\uff1f<\/strong>
\n\u7531\u4e8eJavaScript\u7684\u65e0\u963b\u585e\u6027\u80fd\uff0c\u53ef\u4ee5\u540c\u65f6\u5904\u7406\u591a\u4e2a\u4efb\u52a1\uff0c\u63d0\u9ad8\u7cfb\u7edf\u7684\u5e76\u53d1\u80fd\u529b\u3002\u8fd9\u5bf9\u4e8e\u9ad8\u8d1f\u8f7d\u7684\u7cfb\u7edf\u5c24\u4e3a\u91cd\u8981\uff0c\u53ef\u4ee5\u63d0\u4f9b\u66f4\u597d\u7684\u7528\u6237\u4f53\u9a8c\u3002<\/p>\n<\/li>\n<\/ul>\n\u5982\u4f55\u4f18\u5316JavaScript\u7684\u65e0\u963b\u585e\u6027\u80fd\uff1f<\/strong><\/p>\n\n- \n
\u5982\u4f55\u907f\u514d\u957f\u65f6\u95f4\u7684\u963b\u585e\u64cd\u4f5c\uff1f<\/strong>
\n\u4e3a\u4e86\u907f\u514d\u957f\u65f6\u95f4\u7684\u963b\u585e\u64cd\u4f5c\uff0c\u53ef\u4ee5\u4f7f\u7528\u5f02\u6b65\u64cd\u4f5c\u548cPromise\u7b49\u65b9\u6cd5\u3002\u5c06\u8017\u65f6\u64cd\u4f5c\u8f6c\u6362\u4e3a\u5f02\u6b65\u4efb\u52a1\uff0c\u4e0d\u4f1a\u963b\u585e\u5176\u4ed6\u4ee3\u7801\u7684\u6267\u884c\u3002<\/p>\n<\/li>\n- \n
\u5982\u4f55\u5408\u7406\u8bbe\u7f6eJavaScript\u7684\u5f02\u6b65\u4efb\u52a1\uff1f<\/strong>
\n\u5408\u7406\u8bbe\u7f6eJavaScript\u7684\u5f02\u6b65\u4efb\u52a1\u53ef\u4ee5\u63d0\u9ad8\u65e0\u963b\u585e\u6027\u80fd\u3002\u4f8b\u5982\uff0c\u6839\u636e\u4efb\u52a1\u7684\u4f18\u5148\u7ea7\u548c\u91cd\u8981\u6027\uff0c\u53ef\u4ee5\u5c06\u5176\u5206\u4e3a\u591a\u4e2a\u961f\u5217\uff0c\u901a\u8fc7\u4f18\u5148\u7ea7\u8c03\u5ea6\u673a\u5236\uff0c\u786e\u4fdd\u54cd\u5e94\u66f4\u91cd\u8981\u7684\u4efb\u52a1\u3002<\/p>\n<\/li>\n- \n
\u5982\u4f55\u907f\u514dJavaScript\u4e2d\u7684\u8d44\u6e90\u7ade\u4e89\u95ee\u9898\uff1f<\/strong>
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