{"id":53245,"date":"2024-12-03T09:27:59","date_gmt":"2024-12-03T01:27:59","guid":{"rendered":"https:\/\/fwq.ai\/blog\/53245\/"},"modified":"2024-12-03T09:27:59","modified_gmt":"2024-12-03T01:27:59","slug":"%e4%ba%86%e8%a7%a3-javascript-%e7%94%9f%e6%88%90%e5%99%a8%ef%bc%9a%e5%bc%ba%e5%a4%a7%e7%9a%84%e4%bb%a3%e7%a0%81%e6%b5%81%e6%8e%a7%e5%88%b6%e5%b7%a5%e5%85%b7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/53245\/","title":{"rendered":"\u4e86\u89e3 JavaScript \u751f\u6210\u5668\uff1a\u5f3a\u5927\u7684\u4ee3\u7801\u6d41\u63a7\u5236\u5de5\u5177"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u4e86\u89e3 JavaScript \u751f\u6210\u5668\uff1a\u5f3a\u5927\u7684\u4ee3\u7801\u6d41\u63a7\u5236\u5de5\u5177<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span>    <\/p>\n<p>\u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u4e86\u89e3 JavaScript \u751f\u6210\u5668\uff1a\u5f3a\u5927\u7684\u4ee3\u7801\u6d41\u63a7\u5236\u5de5\u5177\u300b<\/span>\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241128\/173277471767480b3d6d778.jpg\" class=\"aligncenter\" title=\"\u4e86\u89e3 JavaScript \u751f\u6210\u5668\uff1a\u5f3a\u5927\u7684\u4ee3\u7801\u6d41\u63a7\u5236\u5de5\u5177\u63d2\u56fe\" alt=\"\u4e86\u89e3 JavaScript \u751f\u6210\u5668\uff1a\u5f3a\u5927\u7684\u4ee3\u7801\u6d41\u63a7\u5236\u5de5\u5177\u63d2\u56fe\" \/><\/p>\n<p>\u751f\u6210\u5668\u662f javascript \u4e2d\u6700\u5f3a\u5927\u7684\u529f\u80fd\u4e4b\u4e00\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u7f16\u5199\u53ef\u4ee5\u6839\u636e\u9700\u8981\u6682\u505c\u548c\u6062\u590d\u7684\u4ee3\u7801\u3002\u4e0e\u4e00\u6b21\u6267\u884c\u6240\u6709\u4ee3\u7801\u7684\u5e38\u89c4\u51fd\u6570\u200b\u200b\u4e0d\u540c\uff0c\u751f\u6210\u5668\u4f7f\u7528\u5ef6\u8fdf\u6267\u884c\uff0c\u589e\u91cf\u8fd4\u56de\u503c\uff0c\u4ece\u800c\u66f4\u5bb9\u6613\u5904\u7406\u6570\u636e\u5e8f\u5217\u3001\u8fed\u4ee3\u6216\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u8fdb\u7a0b\u3002<\/p>\n<h2> \u53d1\u7535\u673a\u5982\u4f55\u5de5\u4f5c\uff1f <\/h2>\n<p>\u5728javascript\u4e2d\uff0c\u751f\u6210\u5668\u662f\u4f7f\u7528function*\u5173\u952e\u5b57\u5b9a\u4e49\u7684\uff0c\u5e76\u4e0eyield\u5173\u952e\u5b57\u7ed3\u5408\uff0c\u5141\u8bb8\u90e8\u5206\u6267\u884c\u51fd\u6570\u3002\u6bcf\u6b21\u6211\u4eec\u8c03\u7528\u751f\u6210\u5668\u51fd\u6570\u65f6\uff0c\u5b83\u4e0d\u4f1a\u7acb\u5373\u6267\u884c\uff0c\u800c\u662f\u8fd4\u56de\u4e00\u4e2a\u5141\u8bb8\u53d7\u63a7\u6267\u884c\u7684\u8fed\u4ee3\u5668\u3002<\/p>\n<p>\u793a\u4f8b\uff1a<\/p>\n<pre>const id = (function* () {\n    let i = 1;\n    while (true) {\n        yield i;\n        i += 1;\n    }\n})();\n<\/pre>\n<p>\u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u51fd\u6570\u751f\u6210\u5668\u8fd4\u56de\u65e0\u9650\u7684\u6570\u5b57\u5e8f\u5217\uff0c\u5176\u4e2d\u6bcf\u4e2a\u6570\u5b57\u4ec5\u5728\u9700\u8981\u65f6\u751f\u6210\u5e76\u8fd4\u56de\u3002<\/p>\n<h2> <em>yield<\/em> \u6709\u4ec0\u4e48\u4f5c\u7528\uff1f <\/h2>\n<p>yield \u5173\u952e\u5b57\u505c\u6b62\u751f\u6210\u5668\u7684\u6267\u884c\u5e76\u5c06\u503c\u8fd4\u56de\u7ed9\u5916\u754c\u3002\u5728\u4e0b\u4e00\u4e2a\u51fd\u6570\u8c03\u7528\uff08\u4f7f\u7528 next()\uff09\u65f6\uff0c\u751f\u6210\u5668\u5c06\u4ece\u4e2d\u65ad\u5904\u7ee7\u7eed\u3002<\/p>\n<p>\u8c03\u7528\u751f\u6210\u5668\u7684\u6837\u5b50\uff1a<\/p>\n<pre>console.log(id.next().value); \/\/ 1\nconsole.log(id.next().value); \/\/ 2\nconsole.log(id.next().value); \/\/ 3\n<\/pre>\n<p>\u6bcf\u6b21\u8c03\u7528 next() \u90fd\u4f1a\u8fd4\u56de\u6570\u7ec4\u7684\u4e0b\u4e00\u4e2a\u503c\uff0c\u5e76\u5728\u4e0b\u4e00\u4e2ayield \u65f6\u6682\u505c\u8be5\u51fd\u6570\u3002<\/p>\n<h2> \u53d1\u7535\u673a\u7684\u4f18\u70b9 <\/h2>\n<ul>\n<li>\n<p>\u61d2\u60f0\uff1a<br \/> \u751f\u6210\u5668\u4e0d\u4f1a\u7acb\u5373\u6267\u884c\u6240\u6709\u5185\u5bb9\uff0c\u800c\u662f\u4ec5\u5728\u9700\u8981\u65f6\u624d\u751f\u6210\u503c\u3002\u8fd9\u975e\u5e38\u9002\u5408\u5904\u7406\u65e0\u9650\u5e8f\u5217\u6216\u5927\u578b\u6570\u636e\u6570\u7ec4\u3002<\/p>\n<\/li>\n<li>\n<p>\u6d41\u91cf\u63a7\u5236\uff1a<br \/> \u6682\u505c\u548c\u6062\u590d\u8be5\u529f\u80fd\u7684\u53ef\u80fd\u6027\u53ef\u4ee5\u66f4\u597d\u5730\u63a7\u5236\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u8fdb\u7a0b\u3002<\/p>\n<\/li>\n<li>\n<p>\u6548\u7387\uff1a<br \/> \u751f\u6210\u5668\u4e0d\u662f\u5c06\u6240\u6709\u503c\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u800c\u662f\u4e00\u6b21\u8fd4\u56de\u4e00\u4e2a\u503c\uff0c\u8fd9\u51cf\u5c11\u4e86\u5185\u5b58\u6d88\u8017\u3002<\/p>\n<\/li>\n<\/ul>\n<h2> \u53d1\u7535\u673a\u7684\u7f3a\u70b9 <\/h2>\n<p>\u867d\u7136\u751f\u6210\u5668\u5f88\u6709\u7528\uff0c\u4f46\u5b83\u4eec\u6709\u51e0\u4e2a\u6f5c\u5728\u7684\u95ee\u9898\uff1a<\/p>\n<ul>\n<li>\n<p>\u590d\u6742\u7684\u6d41\u91cf\u63a7\u5236\uff1a<br \/> \u6682\u505c\u548c\u6062\u590d\u4f1a\u4f7f\u4ee3\u7801\u66f4\u96be\u7406\u89e3\u548c\u8c03\u8bd5\uff0c\u5c24\u5176\u662f\u5728\u590d\u6742\u7684\u573a\u666f\u4e2d\u3002<\/p>\n<\/li>\n<li>\n<p>\u8868\u73b0\uff1a<br \/> \u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6682\u505c\u548c\u6062\u590d\u4ee3\u7801\u53ef\u80fd\u4f1a\u5e26\u6765\u989d\u5916\u7684\u5f00\u9500\uff0c\u4ece\u800c\u964d\u4f4e\u6548\u7387\u3002<\/p>\n<\/li>\n<li>\n<p>\u9650\u91cf\uff1a<br \/> \u6bcf\u6b21\u8c03\u7528\u8fd4\u56de\u4e00\u4e2a\u503c\uff0c\u5982\u679c\u9700\u8981\u4e00\u6b21\u8bbf\u95ee\u5927\u91cf\u6570\u636e\uff0c\u5219\u6548\u7387\u53ef\u80fd\u4f1a\u5f88\u4f4e\u3002<\/p>\n<\/li>\n<li>\n<p>\u517c\u5bb9\u6027\uff1a<br \/> \u751f\u6210\u5668\u662f ecmascript 2015 (es6) \u6807\u51c6\u7684\u4e00\u90e8\u5206\uff0c\u56e0\u6b64\u5982\u679c\u6ca1\u6709\u50cf babel \u8fd9\u6837\u7684\u9644\u52a0\u5de5\u5177\uff0c\u8f83\u65e7\u7684\u6d4f\u89c8\u5668\u53ef\u80fd\u4e0d\u652f\u6301\u5b83\u4eec\u3002<\/p>\n<\/li>\n<\/ul>\n<h2> \u66ff\u4ee3\u65b9\u6cd5 <\/h2>\n<p>\u5982\u679c\u751f\u6210\u5668\u5f15\u5165\u592a\u591a\u590d\u6742\u6027\uff0c\u60a8\u53ef\u4ee5\u8003\u8651\u66ff\u4ee3\u65b9\u6848\uff1a<\/p>\n<p><strong>\u5e26\u56de\u8c03\u7684\u9012\u5f52\u51fd\u6570\uff1a<\/strong><\/p>\n<pre>function generateid(callback, start = 1) {\n    callback(start);\n    settimeout(() =&gt; generateid(callback, start + 1), 0);\n}\n<\/pre>\n<ul>\n<li>\n<p>\u4f18\u70b9\uff1a<br \/> \u66f4\u7b80\u5355\u7684\u6d41\u7a0b\u63a7\u5236\uff1a\u867d\u7136\u4f7f\u7528\u4e86\u9012\u5f52\uff0c\u4f46\u5728\u63a7\u5236\u7a0b\u5e8f\u6d41\u7a0b\u65b9\u9762\uff0c\u51fd\u6570\u7684\u53ef\u8bfb\u6027\u548c\u6e05\u6670\u6027\u66f4\u9ad8\u3002<br \/> \u5f02\u6b65\u6267\u884c\uff1a\u4f7f\u7528settimeout\u53ef\u4ee5\u5b9e\u73b0\u5f02\u6b65\u64cd\u4f5c\uff0c\u8fd9\u6709\u52a9\u4e8e\u4fdd\u6301\u6027\u80fd\u3002<\/p>\n<\/li>\n<li>\n<p>\u7f3a\u70b9\uff1a<br \/> \u9012\u5f52\u5f00\u9500\uff1a\u5bf9\u4e8e\u975e\u5e38\u5927\u91cf\u7684\u8fed\u4ee3\uff0c\u53ef\u80fd\u4f1a\u51fa\u73b0\u9012\u5f52\u95ee\u9898\uff08\u5806\u6808\u6ea2\u51fa\uff09\u3002<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u5faa\u73af\uff1a<\/strong><br \/> \u5bf9\u4e8e\u8f83\u5c0f\u7684\u6570\u7ec4\uff0c\u751f\u6210\u9884\u5b9a\u6570\u91cf\u7684\u503c\u7684\u7b80\u5355\u5faa\u73af\u53ef\u80fd\u662f\u66f4\u6709\u6548\u7684\u9009\u62e9\u3002<\/p>\n<pre>\nfunction generateids(limit) {\n    const ids = [];\n    for (let i = 1; i &lt;= limit; i++) {\n        ids.push(i);\n    }\n    return ids;\n}\n\nconst ids = generateids(100); \/\/ generi\u0161e prvih 100 id-eva\nconsole.log(ids);\n<\/pre>\n<ul>\n<li>\n<p>\u4f18\u70b9\uff1a<br \/> \u5b9e\u73b0\u7b80\u5355\uff1a\u8fd9\u4e2a\u65b9\u6848\u5f88\u5bb9\u6613\u7406\u89e3\uff0c\u5e76\u4e14\u6ca1\u6709\u6d41\u91cf\u63a7\u5236\u7684\u95ee\u9898\u3002<br \/> \u5feb\u901f\u751f\u6210\uff1a\u6240\u6709\u503c\u4e00\u6b21\u6027\u751f\u6210\uff0c\u53ef\u4ee5\u4ee5\u66f4\u5c11\u7684\u8fed\u4ee3\u6b21\u6570\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<\/li>\n<li>\n<p>\u7f3a\u70b9\uff1a<br \/> \u5185\u5b58\u6d88\u8017\uff1a\u6240\u6709\u503c\u90fd\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u8fd9\u5bf9\u4e8e\u5927\u578b\u6570\u7ec4\u53ef\u80fd\u4f1a\u51fa\u73b0\u95ee\u9898\u3002<br \/> \u4e0d\u8981\u5077\u61d2\uff1a\u6240\u6709 id \u90fd\u662f\u9884\u5148\u751f\u6210\u7684\uff0c\u5982\u679c\u60a8\u4e0d\u9700\u8981\u5168\u90e8 id\uff0c\u6548\u7387\u53ef\u80fd\u4f1a\u5f88\u4f4e\u3002<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u8fed\u4ee3\u5668\uff1a<\/strong><br \/> \u901a\u8fc7 .next() \u65b9\u6cd5\u8fd4\u56de\u53ef\u8fed\u4ee3\u503c\u7684\u5bf9\u8c61\uff0c\u7c7b\u4f3c\u4e8e\u751f\u6210\u5668\uff0c\u4f46\u5177\u6709\u66f4\u591a\u63a7\u5236\u6743\u3002<\/p>\n<pre>function createiditerator() {\n    let i = 1;\n    return {\n        next() {\n            return { value: i++, done: false };\n        }\n    };\n}\n\nconst iditerator = createiditerator();\n\nconsole.log(iditerator.next().value); \/\/ 1\nconsole.log(iditerator.next().value); \/\/ 2\nconsole.log(iditerator.next().value); \/\/ 3\n<\/pre>\n<ul>\n<li>\n<p>\u4f18\u70b9\uff1a<br \/> \u6d41\u7a0b\u63a7\u5236\uff1a\u4e0e\u751f\u6210\u5668\u5177\u6709\u7c7b\u4f3c\u7684\u529f\u80fd\uff0c\u4f46\u6267\u884c\u66f4\u52a0\u7ebf\u6027\u3002<br \/> \u66f4\u7b80\u5355\u7684\u4ee3\u7801\uff1a\u6ca1\u6709yield\uff0c\u8fd9\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u5bb9\u6613\u7406\u89e3\u3002<\/p>\n<\/li>\n<li>\n<p>\u7f3a\u70b9\uff1a<br \/> \u6ca1\u6709\u81ea\u52a8\u6682\u505c\uff1a\u60a8\u5fc5\u987b\u624b\u52a8\u7ba1\u7406\u8fed\u4ee3\uff0c\u8fd9\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u4f1a\u5f88\u4e0d\u65b9\u4fbf\u3002<\/p>\n<\/li>\n<\/ul>\n<p><strong>\u4f7f\u7528 async\/await \u5f02\u6b65\u751f\u6210<\/strong><br \/> \u5982\u679c id \u662f\u5f02\u6b65\u751f\u6210\u7684\uff0c\u60a8\u53ef\u4ee5\u5c06 async\/await \u4e0e\u8fd4\u56de promise \u7684\u51fd\u6570\u7ed3\u5408\u4f7f\u7528\u3002<\/p>\n<pre>async function generateID(start = 1) {\n    let i = start;\n    while (true) {\n        await new Promise((resolve) =&gt; setTimeout(resolve, 0));\n        console.log(i++);\n    }\n}\n\ngenerateID(); \n<\/pre>\n<ul>\n<li>\n<p>\u4f18\u70b9\uff1a<br \/> \u5f02\u6b65\u6267\u884c\uff1a\u9ad8\u6548\u5904\u7406\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u64cd\u4f5c\uff0c\u800c\u4e0d\u963b\u585e\u4e3b\u6267\u884c\u6d41\u7a0b\u3002<br \/> \u73b0\u4ee3\u8bed\u6cd5\uff1aasync\/await \u662f\u4e00\u79cd\u66f4\u73b0\u4ee3\u3001\u66f4\u76f4\u89c2\u7684\u5f02\u6b65\u4ee3\u7801\u5904\u7406\u65b9\u5f0f\u3002<\/p>\n<\/li>\n<li>\n<p>\u7f3a\u70b9\uff1a<br \/> \u4e0d\u9002\u5408\u540c\u6b65\u4ee3\u7801\uff1a\u5982\u679c\u9700\u8981\u540c\u6b65\u751f\u6210\uff0c\u8fd9\u4e2a\u89e3\u51b3\u65b9\u6848\u5e76\u4e0d\u7406\u60f3\u3002<\/p>\n<\/li>\n<\/ul>\n<h2> \u7ed3\u8bba <\/h2>\n<p>\u751f\u6210\u5668\u662f\u5904\u7406\u5927\u91cf\u65e0\u9650\u6570\u636e\u6570\u7ec4\u4ee5\u53ca\u9700\u8981\u6682\u505c\u548c\u6062\u590d\u8fdb\u7a0b\u7684\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u6d41\u91cf\u63a7\u5236\u7684\u7edd\u4f73\u5de5\u5177\u3002\u7136\u800c\uff0c\u5b83\u4eec\u7684\u590d\u6742\u6027\u548c\u6f5c\u5728\u7684\u6027\u80fd\u95ee\u9898\u610f\u5473\u7740\u5b83\u4eec\u5e94\u8be5\u8c28\u614e\u4f7f\u7528\u3002\u6839\u636e\u5e94\u7528\u7a0b\u5e8f\u7684\u8981\u6c42\uff0c\u8fed\u4ee3\u3001\u9012\u5f52\u6216\u5f02\u6b65\u4ee3\u7801\u7b49\u66ff\u4ee3\u89e3\u51b3\u65b9\u6848\u53ef\u80fd\u66f4\u5408\u9002\u3002<\/p>\n<p>\u7406\u8bba\u8981\u638c\u63e1\uff0c\u5b9e\u64cd\u4e0d\u80fd\u843d\uff01\u4ee5\u4e0a\u5173\u4e8e\u300a\u4e86\u89e3 JavaScript \u751f\u6210\u5668\uff1a\u5f3a\u5927\u7684\u4ee3\u7801\u6d41\u63a7\u5236\u5de5\u5177\u300b\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5927\u5bb6\u90fd\u638c\u63e1\u4e86\u5427\uff01\u5982\u679c\u60f3\u8981\u7ee7\u7eed\u63d0\u5347\u81ea\u5df1\u7684\u80fd\u529b\uff0c\u90a3\u4e48\u5c31\u6765\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\u5427\uff01<\/p>\n<p>      \u7248\u672c\u58f0\u660e \u672c\u6587\u8f6c\u8f7d\u4e8e\uff1adev.to \u5982\u6709\u4fb5\u72af\uff0c\u8bf7\u8054\u7cfb\u5220\u9664    <\/p>\n<dl>\n<dt><\/dt>\n<dd>\n   \u5982\u4f55\u5728\u7535\u8111\u4e0a\u8f7b\u677e\u4e0b\u8f7d\u5feb\u624b\uff1a\u8be6\u7ec6\u6559\u7a0b\u4e0e\u6280\u5de7\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3 JavaScript \u751f\u6210\u5668\uff1a\u5f3a\u5927\u7684\u4ee3\u7801\u6d41\u63a7\u5236\u5de5\u5177 \u6536\u85cf \u4eca\u65e5\u4e0d\u80af\u57cb\u5934\uff0c\u660e\u65e5\u4f55\u4ee5\u62ac\u5934\uff01\u6bcf\u65e5\u4e00\u53e5\u52aa\u529b\u81ea\u5df1\u7684\u8bdd\u54c8\u54c8~\u54c8\u55bd\uff0c\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u7bc7\u300a\u4e86\u89e3 JavaScript \u751f\u6210\u5668\uff1a\u5f3a\u5927\u7684\u4ee3\u7801\u6d41\u63a7\u5236\u5de5\u5177\u300b\uff0c\u4e3b\u8981\u5185\u5bb9\u662f\u8bb2\u89e3\u7b49\u7b49\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u53ef\u4ee5\u6536\u85cf\u6216\u8005\u6709\u66f4\u597d\u7684\u5efa\u8bae\u5728\u8bc4\u8bba\u63d0\u51fa\uff0c\u6211\u90fd\u4f1a\u8ba4\u771f\u770b\u7684\uff01\u5927\u5bb6\u4e00\u8d77\u8fdb\u6b65\uff0c\u4e00\u8d77\u5b66\u4e60\uff01 \u751f\u6210\u5668\u662f javascript \u4e2d\u6700\u5f3a\u5927\u7684\u529f\u80fd\u4e4b\u4e00\uff0c\u5b83\u5141\u8bb8\u6211\u4eec\u7f16\u5199\u53ef\u4ee5\u6839\u636e\u9700\u8981\u6682\u505c\u548c\u6062\u590d\u7684\u4ee3\u7801\u3002\u4e0e\u4e00\u6b21\u6267\u884c\u6240\u6709\u4ee3\u7801\u7684\u5e38\u89c4\u51fd\u6570\u200b\u200b\u4e0d\u540c\uff0c\u751f\u6210\u5668\u4f7f\u7528\u5ef6\u8fdf\u6267\u884c\uff0c\u589e\u91cf\u8fd4\u56de\u503c\uff0c\u4ece\u800c\u66f4\u5bb9\u6613\u5904\u7406\u6570\u636e\u5e8f\u5217\u3001\u8fed\u4ee3\u6216\u957f\u65f6\u95f4\u8fd0\u884c\u7684\u8fdb\u7a0b\u3002 \u53d1\u7535\u673a\u5982\u4f55\u5de5\u4f5c\uff1f \u5728javascript\u4e2d\uff0c\u751f\u6210\u5668\u662f\u4f7f\u7528function*\u5173\u952e\u5b57\u5b9a\u4e49\u7684\uff0c\u5e76\u4e0eyield\u5173\u952e\u5b57\u7ed3\u5408\uff0c\u5141\u8bb8\u90e8\u5206\u6267\u884c\u51fd\u6570\u3002\u6bcf\u6b21\u6211\u4eec\u8c03\u7528\u751f\u6210\u5668\u51fd\u6570\u65f6\uff0c\u5b83\u4e0d\u4f1a\u7acb\u5373\u6267\u884c\uff0c\u800c\u662f\u8fd4\u56de\u4e00\u4e2a\u5141\u8bb8\u53d7\u63a7\u6267\u884c\u7684\u8fed\u4ee3\u5668\u3002 \u793a\u4f8b\uff1a const id = (function* () { let i = 1; while (true) { yield i; i += 1; } })(); \u5728\u6b64\u793a\u4f8b\u4e2d\uff0c\u51fd\u6570\u751f\u6210\u5668\u8fd4\u56de\u65e0\u9650\u7684\u6570\u5b57\u5e8f\u5217\uff0c\u5176\u4e2d\u6bcf\u4e2a\u6570\u5b57\u4ec5\u5728\u9700\u8981\u65f6\u751f\u6210\u5e76\u8fd4\u56de\u3002 yield \u6709\u4ec0\u4e48\u4f5c\u7528\uff1f yield \u5173\u952e\u5b57\u505c\u6b62\u751f\u6210\u5668\u7684\u6267\u884c\u5e76\u5c06\u503c\u8fd4\u56de\u7ed9\u5916\u754c\u3002\u5728\u4e0b\u4e00\u4e2a\u51fd\u6570\u8c03\u7528\uff08\u4f7f\u7528 next()\uff09\u65f6\uff0c\u751f\u6210\u5668\u5c06\u4ece\u4e2d\u65ad\u5904\u7ee7\u7eed\u3002 \u8c03\u7528\u751f\u6210\u5668\u7684\u6837\u5b50\uff1a console.log(id.next().value); \/\/ 1 console.log(id.next().value); \/\/ 2 console.log(id.next().value); \/\/ 3 \u6bcf\u6b21\u8c03\u7528 next() \u90fd\u4f1a\u8fd4\u56de\u6570\u7ec4\u7684\u4e0b\u4e00\u4e2a\u503c\uff0c\u5e76\u5728\u4e0b\u4e00\u4e2ayield \u65f6\u6682\u505c\u8be5\u51fd\u6570\u3002 \u53d1\u7535\u673a\u7684\u4f18\u70b9 \u61d2\u60f0\uff1a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-53245","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53245","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=53245"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/53245\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=53245"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=53245"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=53245"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}