{"id":297585,"date":"2024-05-20T16:31:40","date_gmt":"2024-05-20T08:31:40","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/297585.html"},"modified":"2024-05-20T16:31:48","modified_gmt":"2024-05-20T08:31:48","slug":"js-%e4%b8%ad%e5%a6%82%e4%bd%95%e8%b7%b3%e5%87%ba-foreach-%e7%9a%84%e5%be%aa%e7%8e%af","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/297585.html","title":{"rendered":"js \u4e2d\u5982\u4f55\u8df3\u51fa forEach \u7684\u5faa\u73af"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/27145331\/b38939a6-471c-47b1-81f6-4fc8c8ca450e.webp\" alt=\"js \u4e2d\u5982\u4f55\u8df3\u51fa forEach \u7684\u5faa\u73af\" \/><\/p>\n<p><p>JavaScript \u4e2d\u7684 <code>forEach<\/code> \u51fd\u6570\u662f\u4e00\u4e2a\u9ad8\u9636\u51fd\u6570\uff0c\u5b83\u4e3a\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u4e00\u6b21\u63d0\u4f9b\u7684\u51fd\u6570\u3002<strong>\u8981\u8df3\u51fa <code>forEach<\/code> \u5faa\u73af\uff0c\u901a\u5e38\u7684 <code>break<\/code> \u6216\u8005 <code>continue<\/code> \u8bed\u53e5\u662f\u65e0\u6548\u7684<\/strong>\u3001\u6709\u4e24\u79cd\u4e3b\u8981\u7684\u65b9\u6cd5\u53ef\u4ee5\u6a21\u62df\u8df3\u51fa\u5faa\u73af\u7684\u6548\u679c\uff1a\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u7ed3\u6784\uff08\u5373\u629b\u51fa\u5f02\u5e38\uff09\u6216\u8005\u4f7f\u7528\u5176\u4ed6\u5faa\u73af\u65b9\u6cd5\u5982 <code>for<\/code>\u3001 <code>for...of<\/code> \u6216\u8005 <code>every<\/code> \u548c <code>some<\/code> \u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><p>\u4f7f\u7528\u5f02\u5e38\u7684\u65b9\u6cd5\u662f\u5728 <code>forEach<\/code> \u5faa\u73af\u5185\u90e8\u629b\u51fa\u4e00\u4e2a\u81ea\u5b9a\u4e49\u7684\u5f02\u5e38\uff0c\u5e76\u5728\u5faa\u73af\u7684\u5916\u90e8\u7528 <code>try...catch<\/code> \u7ed3\u6784\u6765\u6355\u83b7\u548c\u5904\u7406\u8fd9\u4e2a\u5f02\u5e38\u3002\u8fd9\u79cd\u65b9\u6cd5\u867d\u7136\u53ef\u4ee5\u5b9e\u73b0\u8df3\u51fa\u5faa\u73af\u7684\u6548\u679c\uff0c\u4f46\u5e76\u4e0d\u88ab\u63a8\u8350\uff0c\u56e0\u4e3a\u5b83\u6539\u53d8\u4e86\u5f02\u5e38\u5904\u7406\u7ed3\u6784\u672c\u6765\u7684\u7528\u9014\uff0c\u5e76\u4e14\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4ee3\u7801\u96be\u4ee5\u7406\u89e3\u548c\u7ef4\u62a4\u3002<\/p>\n<\/p>\n<p><p>\u8be6\u7ec6\u5730\u63cf\u8ff0\u4e00\u79cd\u66ff\u4ee3\u65b9\u6cd5\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528 <code>every<\/code> \u6216 <code>some<\/code> \u65b9\u6cd5\u3002\u8fd9\u4e24\u4e2a\u65b9\u6cd5\u5728\u67d0\u79cd\u6761\u4ef6\u6ee1\u8db3\u65f6\u4f1a\u63d0\u524d\u7ec8\u6b62\uff1a<code>every<\/code> \u65b9\u6cd5\u4f1a\u5728\u56de\u8c03\u51fd\u6570\u8fd4\u56de <code>false<\/code> \u65f6\u7ec8\u6b62\uff0c\u800c <code>some<\/code> \u65b9\u6cd5\u5219\u5728\u56de\u8c03\u51fd\u6570\u8fd4\u56de <code>true<\/code> \u65f6\u7ec8\u6b62\u3002\u8fd9\u79cd\u65b9\u6cd5\u662f\u5728 <code>forEach<\/code> \u8bed\u5883\u4e0b\u8fdb\u884c\u7684\u903b\u8f91\u66ff\u4ee3\uff0c\u5e76\u4e14\u907f\u514d\u4e86\u4f7f\u7528\u5f02\u5e38\u5904\u7406\u8fd9\u79cd\u91cd\u8981\u7279\u6027\u3002<\/p>\n<\/p>\n<h2><strong>\u4e00\u3001\u4f7f\u7528 <code>every<\/code> \u65b9\u6cd5\u6765\u8df3\u51fa\u5faa\u73af<\/strong><\/h2>\n<p><p><code>every<\/code> \u65b9\u6cd5\u4e3a\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u63d0\u4f9b\u7684\u51fd\u6570\uff0c\u76f4\u5230\u627e\u5230\u4e00\u4e2a\u4f7f\u5f97\u56de\u8c03\u51fd\u6570\u8fd4\u56de <code>false<\/code> \u7684\u5143\u7d20\u3002\u5728\u6b64\u4e4b\u540e\uff0c\u5faa\u73af\u5373\u505c\u6b62\u3002<\/p>\n<\/p>\n<p><h2>\u5982\u4f55\u64cd\u4f5c<\/h2>\n<\/p>\n<p><p>\u4f60\u53ef\u4ee5\u5c06 <code>forEach<\/code> \u66ff\u6362\u4e3a <code>every<\/code> \u5e76\u5728\u9700\u8981\u8df3\u51fa\u5faa\u73af\u7684\u4f4d\u7f6e\u8fd4\u56de <code>false<\/code>\u3002\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">let array = [1, 2, 3, 4, 5];<\/p>\n<p>array.every((element) =&gt; {<\/p>\n<p>    if (element &gt; 3) {<\/p>\n<p>        return false; \/\/ \u8df3\u51fa\u5faa\u73af<\/p>\n<p>    }<\/p>\n<p>    console.log(element); \/\/ \u6267\u884c\u64cd\u4f5c<\/p>\n<p>    return true; \/\/ \u7ee7\u7eed\u5faa\u73af<\/p>\n<p>});<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u5f53\u6570\u7ec4\u5143\u7d20\u5927\u4e8e 3 \u65f6\uff0c<code>every<\/code> \u65b9\u6cd5\u4f1a\u63d0\u524d\u7ec8\u6b62\u3002<\/p>\n<\/p>\n<h2><strong>\u4e8c\u3001\u4f7f\u7528 <code>some<\/code> \u65b9\u6cd5\u6765\u8df3\u51fa\u5faa\u73af<\/strong><\/h2>\n<p><p>\u76f8\u5bf9\u4e8e <code>every<\/code>\uff0c<code>some<\/code> \u65b9\u6cd5\u4f1a\u5728\u56de\u8c03\u51fd\u6570\u8fd4\u56de <code>true<\/code> \u65f6\u505c\u6b62\u6267\u884c\uff0c\u56e0\u6b64\u53ef\u4ee5\u5728\u67d0\u4e9b\u6761\u4ef6\u4e0b\u4f7f\u7528 <code>true<\/code> \u6765\u8df3\u51fa\u5faa\u73af\u3002<\/p>\n<\/p>\n<p><h2>\u5982\u4f55\u64cd\u4f5c<\/h2>\n<\/p>\n<p><p>\u4e0e <code>every<\/code> \u65b9\u6cd5\u7c7b\u4f3c\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528 <code>some<\/code> \u6765\u66ff\u4ee3 <code>forEach<\/code>\uff0c\u5e76\u5728\u56de\u8c03\u51fd\u6570\u4e2d\u9002\u5f53\u4f4d\u7f6e\u8fd4\u56de <code>true<\/code>\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">let array = [1, 2, 3, 4, 5];<\/p>\n<p>array.some((element) =&gt; {<\/p>\n<p>    if (element &gt; 3) {<\/p>\n<p>        return true; \/\/ \u8df3\u51fa\u5faa\u73af<\/p>\n<p>    }<\/p>\n<p>    console.log(element); \/\/ \u6267\u884c\u64cd\u4f5c<\/p>\n<p>    return false; \/\/ \u7ee7\u7eed\u5faa\u73af<\/p>\n<p>});<\/p>\n<p><\/code><\/pre>\n<\/p>\n<h2><strong>\u4e09\u3001\u4f20\u7edf\u7684 <code>for<\/code> \u5faa\u73af<\/strong><\/h2>\n<p><p><code>for<\/code> \u5faa\u73af\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u63a7\u5236\u80fd\u529b\uff0c\u5305\u62ec\u4f7f\u7528 <code>break<\/code> \u8bed\u53e5\u6765\u8df3\u51fa\u5faa\u73af\u3002<\/p>\n<\/p>\n<p><h2>\u5982\u4f55\u64cd\u4f5c<\/h2>\n<\/p>\n<p><p>\u5c06 <code>forEach<\/code> \u66ff\u6362\u4e3a <code>for<\/code> \u5faa\u73af\uff0c\u5e76\u5728\u9700\u8981\u8df3\u51fa\u5faa\u73af\u7684\u5730\u65b9\u4f7f\u7528 <code>break<\/code>\u3002\u4ee3\u7801\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">let array = [1, 2, 3, 4, 5];<\/p>\n<p>for (let index = 0; index &lt; array.length; index++) {<\/p>\n<p>    if (array[index] &gt; 3) {<\/p>\n<p>        break; \/\/ \u8df3\u51fa\u5faa\u73af<\/p>\n<p>    }<\/p>\n<p>    console.log(array[index]); \/\/ \u6267\u884c\u64cd\u4f5c<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u4ee5\u4e0a\u65b9\u6cd5\u4e2d\uff0c\u5f53\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u503c\u8d85\u8fc7 3 \u65f6\uff0c<code>for<\/code> \u5faa\u73af\u5c06\u4f1a\u505c\u6b62\u6267\u884c\u3002<\/p>\n<\/p>\n<h2><strong>\u56db\u3001\u907f\u514d <code>forEach<\/code> \u7684\u9677\u9631<\/strong><\/h2>\n<p><p>\u4e86\u89e3 <code>forEach<\/code> \u5982\u4f55\u5de5\u4f5c\u4ee5\u53ca\u4e3a\u4ec0\u4e48\u4e0d\u80fd\u4f7f\u7528 <code>break<\/code> \u8bed\u53e5\u6765\u8df3\u51fa\u5b83\uff0c\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5728\u9002\u5f53\u7684\u65f6\u5019\u907f\u514d\u5b83\u7684\u4f7f\u7528\u3002<\/p>\n<\/p>\n<p><h2>\u57fa\u672c\u539f\u7406<\/h2>\n<\/p>\n<p><p><code>Array.prototype.forEach<\/code> \u662f\u4e00\u4e2a\u6570\u7ec4\u8fed\u4ee3\u65b9\u6cd5\uff0c\u5b83\u4e0d\u50cf\u4f20\u7edf\u7684\u5faa\u73af\u90a3\u6837\u62e5\u6709\u8df3\u51fa\u5faa\u73af\u7684\u63a7\u5236\u7ed3\u6784\u3002\u4e00\u65e6\u8c03\u7528\uff0c\u5b83\u5c06\u4e3a\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u56de\u8c03\u51fd\u6570\uff0c\u76f4\u5230\u6570\u7ec4\u7ed3\u675f\uff0c\u5e76\u5ffd\u7565\u4efb\u4f55\u5c1d\u8bd5\u4e2d\u65ad\u6267\u884c\u7684\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<p><h2>\u5982\u4f55\u907f\u514d<\/h2>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\uff0c\u8ba4\u8bc6\u5230 <code>forEach<\/code> \u4e0d\u662f\u6240\u6709\u60c5\u51b5\u7684\u6700\u4f73\u9009\u62e9\u3002\u5f53\u4f60\u9700\u8981\u66f4\u591a\u7684\u63a7\u5236\u6d41\u64cd\u4f5c\uff08\u5982 <code>break<\/code>\u3001<code>continue<\/code> \u6216 <code>return<\/code>\uff09\u65f6\uff0c\u5e94\u8be5\u8003\u8651\u4f7f\u7528\u4f20\u7edf\u7684 <code>for<\/code> \u5faa\u73af\u3001<code>for...of<\/code> \u5faa\u73af\u6216\u8005 <code>every<\/code> \u548c <code>some<\/code> \u8fd9\u7c7b\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<h2><strong>\u4e94\u3001\u603b\u7ed3<\/strong><\/h2>\n<p><p>\u5728 JavaScript \u4e2d\u8df3\u51fa <code>forEach<\/code> \u5faa\u73af\u7684\u6b63\u786e\u65b9\u6cd5\u662f\u4f7f\u7528\u66ff\u4ee3\u7684\u5faa\u73af\u65b9\u6cd5\u6216\u8005\u6570\u636e\u8fed\u4ee3\u51fd\u6570\uff0c\u8fd9\u4e9b\u53ef\u4ee5\u6839\u636e\u903b\u8f91\u6761\u4ef6\u63d0\u524d\u7ec8\u6b62\uff0c\u5982 <code>every<\/code>\u3001<code>some<\/code> \u6216\u4f20\u7edf\u7684 <code>for<\/code> \u5faa\u73af\u3002\u7406\u89e3\u6bcf\u4e2a\u5faa\u73af\u548c\u8fed\u4ee3\u65b9\u6cd5\u7684\u7279\u70b9\uff0c\u53ef\u4ee5\u5e2e\u52a9\u4f60\u7f16\u5199\u66f4\u6e05\u6670\u3001\u66f4\u9ad8\u6548\u7684\u4ee3\u7801\u3002\u800c\u5f53\u4f60\u7684\u4ee3\u7801\u903b\u8f91\u9700\u8981\u63d0\u524d\u9000\u51fa\u4e00\u4e2a\u8fed\u4ee3\u8fc7\u7a0b\uff0c\u5f04\u6e05\u695a\u4f7f\u7528\u54ea\u79cd\u65b9\u6cd5\u6700\u4e3a\u5408\u9002\u5c31\u663e\u5f97\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>\u95ee\u98981: \u5982\u4f55\u5728JavaScript\u4e2d\u7ec8\u6b62forEach\u5faa\u73af\uff1f<\/strong><\/p>\n<p>\u5728JavaScript\u4e2d\uff0cforEach\u5faa\u73af\u662f\u4e00\u4e2a\u8fed\u4ee3\u6570\u7ec4\u6216\u7c7b\u6570\u7ec4\u5bf9\u8c61\u7684\u65b9\u6cd5\uff0c\u5b83\u4f1a\u4f9d\u6b21\u6267\u884c\u6bcf\u4e2a\u6570\u7ec4\u5143\u7d20\u6216\u5bf9\u8c61\u5c5e\u6027\u4e0a\u7684\u56de\u8c03\u51fd\u6570\u3002\u7531\u4e8eforEach\u5faa\u73af\u662f\u65e0\u6cd5\u88abbreak\u5173\u952e\u5b57\u4e2d\u65ad\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u65e0\u6cd5\u76f4\u63a5\u5728\u5faa\u73af\u4e2d\u4f7f\u7528break\u8bed\u53e5\u6765\u63d0\u524d\u7ec8\u6b62\u5faa\u73af\u3002\u4f46\u662f\uff0c\u4f60\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u5b9e\u73b0\u7ec8\u6b62forEach\u5faa\u73af\u7684\u6548\u679c\u3002<\/p>\n<p><strong>\u89e3\u7b54:<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528<code>some<\/code>\u65b9\u6cd5\u6765\u4ee3\u66ff<code>forEach<\/code>\u3002<code>some<\/code>\u65b9\u6cd5\u5728\u6570\u7ec4\u4e2d\u67e5\u627e\u6ee1\u8db3\u6761\u4ef6\u7684\u5143\u7d20\uff0c\u5982\u679c\u627e\u5230\u5219\u8fd4\u56de<code>true<\/code>\uff0c\u5e76\u505c\u6b62\u8fed\u4ee3\u3002\u901a\u8fc7\u5728\u56de\u8c03\u51fd\u6570\u4e2d\u8fd4\u56de<code>true<\/code>\uff0c\u53ef\u4ee5\u8fbe\u5230\u7c7b\u4f3c\u4e8ebreak\u7684\u6548\u679c\u3002<\/li>\n<li>\u5728\u56de\u8c03\u51fd\u6570\u4e2d\u4f7f\u7528\u4e00\u4e2a\u5916\u90e8\u6807\u5fd7\u6765\u63a7\u5236\u5faa\u73af\uff0c\u5f53\u9700\u8981\u63d0\u524d\u7ec8\u6b62\u5faa\u73af\u65f6\uff0c\u4fee\u6539\u6807\u5fd7\u7684\u503c\uff0c\u5728\u4e0b\u6b21\u8fed\u4ee3\u65f6\u901a\u8fc7\u5224\u65ad\u6807\u5fd7\u7684\u503c\u6765\u8df3\u8fc7\u540e\u7eed\u7684\u64cd\u4f5c\u3002<\/li>\n<li>\u4f7f\u7528<code>for<\/code>\u5faa\u73af\u6765\u4ee3\u66ff<code>forEach<\/code>\uff0c\u5229\u7528<code>break<\/code>\u8bed\u53e5\u6765\u7ec8\u6b62\u5faa\u73af\u3002<\/li>\n<\/ul>\n<p><strong>\u95ee\u98982: JavaScript\u4e2d\u5982\u4f55\u8df3\u51faforEach\u5faa\u73af\u5e76\u7ee7\u7eed\u6267\u884c\u4e0b\u4e00\u6b21\u5faa\u73af\uff1f<\/strong><\/p>\n<p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u63d0\u524d\u7ec8\u6b62forEach\u5faa\u73af\uff0c\u5e76\u7acb\u5373\u8df3\u5230\u4e0b\u4e00\u6b21\u5faa\u73af\u3002\u867d\u7136forEach\u5faa\u73af\u672c\u8eab\u6ca1\u6709\u63d0\u4f9b\u7c7b\u4f3c\u4e8econtinue\u7684\u529f\u80fd\uff0c\u4f46\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e9b\u6280\u5de7\u6765\u5b9e\u73b0\u8fd9\u4e2a\u6548\u679c\u3002<\/p>\n<p><strong>\u89e3\u7b54:<\/strong><\/p>\n<ul>\n<li>\u53ef\u4ee5\u4f7f\u7528<code>return<\/code>\u8bed\u53e5\u6765\u63d0\u524d\u7ec8\u6b62\u5f53\u524d\u8fed\u4ee3\uff0c\u5e76\u7acb\u5373\u8fdb\u5165\u4e0b\u4e00\u6b21\u8fed\u4ee3\u3002\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u53ea\u9700\u7b80\u5355\u5730\u5c06<code>return<\/code>\u8bed\u53e5\u653e\u5728\u67d0\u4e2a\u6761\u4ef6\u6210\u7acb\u65f6\u7684\u903b\u8f91\u91cc\u5373\u53ef\u8df3\u51fa\u5f53\u524d\u5faa\u73af\u5e76\u8fdb\u5165\u4e0b\u4e00\u6b21\u5faa\u73af\u3002<\/li>\n<li>\u53ef\u4ee5\u5728\u56de\u8c03\u51fd\u6570\u7684\u4e3b\u4f53\u4e2d\u4f7f\u7528\u6761\u4ef6\u8bed\u53e5\u6765\u63a7\u5236\u8981\u6267\u884c\u7684\u903b\u8f91\u3002\u5728\u7279\u5b9a\u6761\u4ef6\u4e0b\uff0c\u901a\u8fc7<code>return<\/code>\u8bed\u53e5\u8df3\u8fc7\u540e\u7eed\u4ee3\u7801\u5e76\u8fdb\u5165\u4e0b\u4e00\u6b21\u5faa\u73af\u3002<\/li>\n<\/ul>\n<p><strong>\u95ee\u98983: \u5728JavaScript\u4e2d\u5982\u4f55\u5728forEach\u5faa\u73af\u4e2d\u4f7f\u7528\u6807\u7b7e\u6765\u8df3\u51fa\u5faa\u73af\uff1f<\/strong><\/p>\n<p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u5728\u5d4c\u5957\u5faa\u73af\u4e2d\u4f7f\u7528\u6807\u7b7e\u6765\u8df3\u51fa\u5faa\u73af\uff0c\u4ee5\u63d0\u524d\u7ec8\u6b62\u5e76\u8fd4\u56de\u7279\u5b9a\u7684\u4f4d\u7f6e\u3002\u7136\u800c\uff0c\u7531\u4e8eJavaScript\u7684forEach\u5faa\u73af\u4e0d\u80fd\u4e0e\u6807\u7b7e\u4e00\u540c\u4f7f\u7528\uff0c\u6211\u4eec\u9700\u8981\u91c7\u7528\u5176\u4ed6\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p><strong>\u89e3\u7b54:<\/strong><\/p>\n<ul>\n<li>\u53ef\u4ee5\u4f7f\u7528<code>for...of<\/code>\u5faa\u73af\u6216<code>for<\/code>\u5faa\u73af\u6765\u4ee3\u66ff<code>forEach<\/code>\u5faa\u73af\u5b9e\u73b0\u6807\u7b7e\u4e0e\u5faa\u73af\u7ed3\u6784\u7684\u914d\u5408\u4f7f\u7528\u3002\u8fd9\u6837\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528<code>break<\/code>\u8bed\u53e5\u914d\u5408\u6807\u7b7e\u6765\u7ec8\u6b62\u5916\u90e8\u5faa\u73af\u5e76\u8fd4\u56de\u6307\u5b9a\u4f4d\u7f6e\u3002<\/li>\n<li>\u53e6\u4e00\u79cd\u65b9\u6cd5\u662f\u5c06forEach\u7ed3\u5408try-catch\u8bed\u53e5\u4f7f\u7528\uff0c\u501f\u52a9try\u5757\u5185\u7684\u7684<code>return<\/code>\u6216<code>throw<\/code>\u8bed\u53e5\u6765\u63d0\u524d\u7ec8\u6b62\u5faa\u73af\u5e76\u5728catch\u5757\u4e2d\u5904\u7406\u5f02\u5e38\u60c5\u51b5\u3002<\/li>\n<li>\u8fd8\u53ef\u4ee5\u5c06\u9700\u8981\u8df3\u51fa\u5faa\u73af\u7684\u903b\u8f91\u90e8\u5206\u5c01\u88c5\u6210\u4e00\u4e2a\u51fd\u6570\uff0c\u4f7f\u7528<code>return<\/code>\u8bed\u53e5\u63d0\u524d\u8fd4\u56de\uff0c\u4ece\u800c\u8fbe\u5230\u8df3\u51fa\u5faa\u73af\u7684\u6548\u679c\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"JavaScript \u4e2d\u7684 forEach \u51fd\u6570\u662f\u4e00\u4e2a\u9ad8\u9636\u51fd\u6570\uff0c\u5b83\u4e3a\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u4e00\u6b21\u63d0\u4f9b\u7684\u51fd\u6570\u3002\u8981\u8df3\u51fa [&hellip;]","protected":false},"author":3,"featured_media":297598,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/297585"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=297585"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/297585\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/297598"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=297585"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=297585"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=297585"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}