{"id":171633,"date":"2024-05-08T17:33:45","date_gmt":"2024-05-08T09:33:45","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/171633.html"},"modified":"2024-05-08T17:33:50","modified_gmt":"2024-05-08T09:33:50","slug":"foreach-%e5%be%aa%e7%8e%af%e6%80%8e%e4%b9%88%e5%9c%a8-javascript-%e4%b8%ad%e4%bd%bf%e7%94%a8","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/171633.html","title":{"rendered":"forEach \u5faa\u73af\u600e\u4e48\u5728 JavaScript \u4e2d\u4f7f\u7528"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/27042830\/ab119cd4-da73-40c9-a9d6-d06b4728156d.webp\" alt=\"forEach \u5faa\u73af\u600e\u4e48\u5728 JavaScript \u4e2d\u4f7f\u7528\" \/><\/p>\n<p><p>\u5728JavaScript\u4e2d\uff0cforEach\u5faa\u73af\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u5bf9\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u4e00\u4e2a\u51fd\u6570\u3002<strong>\u6700\u6838\u5fc3\u7684\u89c2\u70b9\u662f\uff1aforEach\u5faa\u73af\u7528\u4e8e\u6570\u7ec4\u904d\u5386\u3001\u4e0d\u8fd4\u56de\u65b0\u6570\u7ec4\u3001\u6bcf\u4e2a\u5143\u7d20\u90fd\u6267\u884c\u56de\u8c03\u51fd\u6570\u3001\u65e0\u6cd5\u76f4\u63a5\u4e2d\u65ad<\/strong>\u3002\u5bf9\u4e8e\u6570\u7ec4\u904d\u5386\u800c\u8a00\uff0cforEach\u8ba9\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u3001\u66f4\u6613\u4e8e\u7ef4\u62a4\u3002\u76f8\u6bd4\u4e8e\u4f20\u7edf\u7684for\u5faa\u73af\uff0c\u4f7f\u7528forEach\u5faa\u73af\u53ef\u4ee5\u907f\u514d\u7ba1\u7406\u7d22\u5f15\u548c\u6761\u4ef6\u5224\u65ad\u7b49\u590d\u6742\u6027\uff0c\u540c\u65f6\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u5b9e\u7528\u6027\u3002<\/p>\n<\/p>\n<p><h2>\u4e00\u3001FOR EACH \u5faa\u73af\u7684\u57fa\u672c\u4f7f\u7528<\/h2>\n<\/p>\n<p><p>\u5728\u6df1\u5165\u4e86\u89e3forEach\u5faa\u73af\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u6765\u4ecb\u7ecd\u5176\u57fa\u7840\u7528\u6cd5\u3002forEach\u662fArray\u5bf9\u8c61\u7684\u4e00\u4e2a\u65b9\u6cd5\uff0c\u5b83\u63a5\u53d7\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u3002\u8fd9\u4e2a\u56de\u8c03\u51fd\u6570\u5bf9\u6570\u7ec4\u4e2d\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u64cd\u4f5c\uff0c\u6709\u4e09\u4e2a\u53ef\u9009\u53c2\u6570\uff1a\u5f53\u524d\u5143\u7d20\u3001\u5f53\u524d\u5143\u7d20\u7684\u7d22\u5f15\u548c\u6570\u7ec4\u672c\u8eab\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">let numbers = [1, 2, 3, 4, 5];<\/p>\n<p>numbers.forEach(function(item, index, array) {<\/p>\n<p>  console.log(item, index);<\/p>\n<p>});<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cforEach\u5faa\u73af\u904d\u5386\u4e86numbers\u6570\u7ec4\uff0c\u5bf9\u4e8e\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u90fd\u6253\u5370\u4e86\u5176\u503c\u548c\u7d22\u5f15\u3002<strong>\u8fd9\u4f53\u73b0\u4e86forEach\u5faa\u73af\u7684\u57fa\u672c\u7528\u9014\uff1a\u904d\u5386\u6570\u7ec4\u5e76\u5bf9\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u64cd\u4f5c<\/strong>\u3002<\/p>\n<\/p>\n<p><h2>\u4e8c\u3001FOR EACH \u5faa\u73af\u4e0e\u5176\u4ed6\u5faa\u73af\u7684\u5bf9\u6bd4<\/h2>\n<\/p>\n<p><p>\u4e0e\u4f20\u7edf\u7684for\u5faa\u73af\u6216for&#8230;of\u5faa\u73af\u76f8\u6bd4\uff0cforEach\u5faa\u73af\u5728\u5904\u7406\u6570\u7ec4\u5143\u7d20\u65f6\u66f4\u4e3a\u9ad8\u6548\u548c\u76f4\u89c2\u3002<\/p>\n<\/p>\n<p><h3>1. \u4e0efor\u5faa\u73af\u5bf9\u6bd4<\/h3>\n<\/p>\n<p><p>for\u5faa\u73af\u7ed9\u4e88\u5f00\u53d1\u8005\u66f4\u591a\u7684\u63a7\u5236\u6743\uff0c\u6bd4\u5982\u53ef\u4ee5\u6839\u636e\u6761\u4ef6\u63d0\u524d\u4e2d\u65ad\u5faa\u73af\uff0c\u4f46\u8fd9\u4e5f\u610f\u5473\u7740\u4ee3\u7801\u66f4\u52a0\u590d\u6742\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">for (let i = 0; i &lt; numbers.length; i++) {<\/p>\n<p>  console.log(numbers[i]);<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>\u800cforEach\u5faa\u73af\u5219\u81ea\u52a8\u5904\u7406\u8fed\u4ee3\u8fc7\u7a0b\uff0c\u8ba9\u4ee3\u7801\u66f4\u7b80\u6d01\uff0c\u4f46\u65e0\u6cd5\u76f4\u63a5\u4f7f\u7528break\u6216continue\u6765\u4e2d\u65ad\u5faa\u73af<\/strong>\u3002<\/p>\n<\/p>\n<p><h3>2. \u4e0efor&#8230;of\u5faa\u73af\u5bf9\u6bd4<\/h3>\n<\/p>\n<p><p>for&#8230;of\u5faa\u73af\u662fES6\u5f15\u5165\u7684\u7279\u6027\uff0c\u76f8\u6bd4forEach\uff0c\u5b83\u53ef\u4ee5\u904d\u5386\u66f4\u591a\u79cd\u7c7b\u578b\u7684\u6570\u636e\u5982Map\u3001Set\u7b49\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">for (const item of numbers) {<\/p>\n<p>  console.log(item);<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p><strong>for&#8230;of\u5faa\u73af\u63d0\u4f9b\u4e86\u7c7b\u4f3c\u4e8efor\u5faa\u73af\u7684\u63a7\u5236\u80fd\u529b\uff0c\u5305\u62ec\u4f7f\u7528break\u8df3\u51fa\u5faa\u73af\uff0c\u800cforEach\u5219\u66f4\u9002\u5408\u8fdb\u884c\u6570\u7ec4\u7684\u904d\u5386\u64cd\u4f5c<\/strong>\u3002<\/p>\n<\/p>\n<p><h2>\u4e09\u3001FOR EACH \u5faa\u73af\u7684\u5b9e\u9645\u5e94\u7528\u573a\u666f<\/h2>\n<\/p>\n<p><p>forEach\u5faa\u73af\u56e0\u5176\u7b80\u6d01\u548c\u6613\u7528\uff0c\u7279\u522b\u9002\u5408\u5904\u7406\u6570\u7ec4\u904d\u5386\u65f6\u7684\u5404\u79cd\u573a\u666f\u3002<\/p>\n<\/p>\n<p><h3>1. \u6267\u884c\u7b80\u5355\u904d\u5386<\/h3>\n<\/p>\n<p><p>\u5f53\u9700\u8981\u5bf9\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u7b80\u5355\u64cd\u4f5c\u65f6\uff0cforEach\u5faa\u73af\u662f\u6700\u76f4\u63a5\u7684\u9009\u62e9\u3002\u6bd4\u5982\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5bf9\u7528\u6237\u5217\u8868\u8fdb\u884c\u904d\u5386\uff0c\u6253\u5370\u51fa\u6bcf\u4e2a\u7528\u6237\u7684\u59d3\u540d\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">let users = [{name: &#039;Alice&#039;}, {name: &#039;Bob&#039;}, {name: &#039;Charlie&#039;}];<\/p>\n<p>users.forEach(user =&gt; console.log(user.name));<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h3>2. \u6570\u636e\u6c47\u603b<\/h3>\n<\/p>\n<p><p>forEach\u5faa\u73af\u4e5f\u5e38\u7528\u4e8e\u5bf9\u6570\u7ec4\u5143\u7d20\u8fdb\u884c\u6c47\u603b\u3002\u4f8b\u5982\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u8ba1\u7b97\u8d2d\u7269\u8f66\u4e2d\u6240\u6709\u5546\u54c1\u7684\u603b\u4ef7\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">let cart = [{product: &#039;\u4e66&#039;, price: 10}, {product: &#039;\u7b14&#039;, price: 5}, {product: &#039;\u5c3a&#039;, price: 2}];<\/p>\n<p>let total = 0;<\/p>\n<p>cart.forEach(item =&gt; total += item.price);<\/p>\n<p>console.log(total);<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<strong>forEach\u5faa\u73af\u7b80\u5316\u4e86\u7d2f\u52a0\u64cd\u4f5c\uff0c\u4f7f\u4ee3\u7801\u66f4\u52a0\u76f4\u89c2\u6613\u61c2<\/strong>\u3002\u4e0e\u624b\u52a8\u4f7f\u7528for\u5faa\u73af\u76f8\u6bd4\uff0cforEach\u5faa\u73af\u5728\u5904\u7406\u6b64\u7c7b\u7b80\u5355\u7d2f\u79ef\u4efb\u52a1\u65f6\u66f4\u4e3a\u9ad8\u6548\u3002<\/p>\n<\/p>\n<p><h2>\u56db\u3001FOR EACH \u5faa\u73af\u7684\u5c40\u9650\u6027\u53ca\u89e3\u51b3\u65b9\u6848<\/h2>\n<\/p>\n<p><p>\u867d\u7136forEach\u5faa\u73af\u5728\u591a\u6570\u573a\u666f\u4e0b\u90fd\u975e\u5e38\u6709\u7528\uff0c\u4f46\u5b83\u4e5f\u6709\u81ea\u5df1\u7684\u5c40\u9650\u6027\u3002\u4f8b\u5982\uff0c<strong>\u65e0\u6cd5\u76f4\u63a5\u901a\u8fc7break\u6216continue\u547d\u4ee4\u4e2d\u65adforEach\u5faa\u73af<\/strong>\u3002\u8fd9\u5728\u67d0\u4e9b\u9700\u8981\u63d0\u524d\u9000\u51fa\u5faa\u73af\u7684\u60c5\u51b5\u4e0b\u663e\u5f97\u4e0d\u591f\u7075\u6d3b\u3002<\/p>\n<\/p>\n<p><h3>1. \u4f7f\u7528every\u548csome\u65b9\u6cd5\u4f5c\u4e3a\u66ff\u4ee3<\/h3>\n<\/p>\n<p><p>\u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff0c\u53ef\u4ee5\u4f7f\u7528Array\u7684every\u548csome\u65b9\u6cd5\u6765\u6a21\u62df\u4e2d\u65ad\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">numbers.some((item) =&gt; {<\/p>\n<p>  if (item &gt; 3) return true; \/\/ \u76f8\u5f53\u4e8e\u4e2d\u65ad\u5faa\u73af<\/p>\n<p>  console.log(item);<\/p>\n<p>  return false;<\/p>\n<p>});<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0csome\u65b9\u6cd5\u4e00\u65e6\u8fd4\u56detrue\uff0c\u5c31\u4f1a\u7acb\u5373\u4e2d\u65ad\u904d\u5386\u3002\u76f8\u4f3c\u5730\uff0cevery\u65b9\u6cd5\u4f1a\u5728\u56de\u8c03\u51fd\u6570\u8fd4\u56defalse\u65f6\u505c\u6b62\u904d\u5386\u3002<\/p>\n<\/p>\n<p><h3>2. \u629b\u51fa\u5f02\u5e38\u6765\u4e2d\u65adforEach\u5faa\u73af<\/h3>\n<\/p>\n<p><p>\u53e6\u4e00\u79cd\u8f83\u4e3a\u6781\u7aef\u4f46\u6709\u6548\u7684\u65b9\u6cd5\u662f\u901a\u8fc7\u629b\u51fa\u5f02\u5e38\u6765\u4e2d\u65adforEach\u5faa\u73af\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">try {<\/p>\n<p>  numbers.forEach((item) =&gt; {<\/p>\n<p>    if (item &gt; 3) throw &#039;Break&#039;;<\/p>\n<p>    console.log(item);<\/p>\n<p>  });<\/p>\n<p>} catch (e) {<\/p>\n<p>  if (e !== &#039;Break&#039;) throw e; \/\/ \u786e\u4fdd\u53ea\u6355\u83b7\u7528\u4e8e\u4e2d\u65ad\u5faa\u73af\u7684\u5f02\u5e38<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5c3d\u7ba1\u8fd9\u79cd\u65b9\u6cd5\u80fd\u591f\u5b9e\u73b0\u4e2d\u65ad\uff0c\u4f46\u5b83\u7684\u4f7f\u7528\u573a\u666f\u76f8\u5bf9\u6709\u9650\uff0c\u56e0\u4e3a\u5f02\u5e38\u5904\u7406\u672c\u8eab\u4f1a\u5f15\u5165\u989d\u5916\u7684\u590d\u6742\u6027\u3002<\/p>\n<\/p>\n<p><h2>\u4e94\u3001\u7ed3\u8bba<\/h2>\n<\/p>\n<p><p>forEach\u5faa\u73af\u662fJavaScript\u4e2d\u5904\u7406\u6570\u7ec4\u904d\u5386\u7684\u4e00\u4e2a\u975e\u5e38\u6709\u529b\u7684\u5de5\u5177\u3002\u5b83\u901a\u8fc7\u63d0\u4f9b\u7b80\u6d01\u7684\u8bed\u6cd5\u548c\u6613\u4e8e\u7406\u89e3\u7684\u903b\u8f91\uff0c\u4f7f\u5f97\u6570\u7ec4\u64cd\u4f5c\u66f4\u52a0\u76f4\u89c2\u548c\u9ad8\u6548\u3002\u5c3d\u7ba1\u5b58\u5728\u4e00\u4e9b\u5c40\u9650\u6027\uff0c\u5982\u65e0\u6cd5\u76f4\u63a5\u4e2d\u65ad\u5faa\u73af\uff0c\u4f46\u901a\u8fc7\u5408\u7406\u7684\u66ff\u4ee3\u65b9\u6848\uff0c\u8fd9\u4e9b\u95ee\u9898\u90fd\u53ef\u4ee5\u5f97\u5230\u6709\u6548\u89e3\u51b3\u3002\u65e0\u8bba\u662f\u5bf9\u6570\u636e\u8fdb\u884c\u7b80\u5355\u64cd\u4f5c\uff0c\u8fd8\u662f\u6267\u884c\u590d\u6742\u7684\u6570\u636e\u5904\u7406\u4efb\u52a1\uff0cforEach\u5faa\u73af\u90fd\u80fd\u63d0\u4f9b\u5f3a\u5927\u7684\u652f\u6301\u3002\u56e0\u6b64\uff0c\u5728\u65e5\u5e38\u5f00\u53d1\u4e2d\uff0c\u5145\u5206\u5229\u7528forEach\u5faa\u73af\u7684\u7279\u6027\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u5347\u4ee3\u7801\u7684\u7b80\u6d01\u6027\u548c\u6548\u7387\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. JavaScript\u4e2d\u5982\u4f55\u4f7f\u7528forEach\u5faa\u73af\uff1f<\/strong><br \/>\u5728JavaScript\u4e2d\uff0cforEach\u5faa\u73af\u662f\u7528\u6765\u904d\u5386\u6570\u7ec4\u7684\u4e00\u79cd\u7b80\u6d01\u4e14\u5e38\u7528\u7684\u65b9\u6cd5\u3002\u5b83\u53ef\u4ee5\u8ba9\u6211\u4eec\u5bf9\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u76f8\u540c\u7684\u64cd\u4f5c\u3002\u8981\u4f7f\u7528forEach\u5faa\u73af\uff0c\u6211\u4eec\u9700\u8981\u4f20\u5165\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\u4f5c\u4e3a\u53c2\u6570\u3002\u56de\u8c03\u51fd\u6570\u5c06\u88ab\u6bcf\u4e2a\u6570\u7ec4\u5143\u7d20\u8c03\u7528\uff0c\u5e76\u4f20\u9012\u4e09\u4e2a\u53c2\u6570\uff1a\u5f53\u524d\u5143\u7d20\u503c\u3001\u5f53\u524d\u7d22\u5f15\u548c\u6574\u4e2a\u6570\u7ec4\u3002\u6211\u4eec\u53ef\u4ee5\u5728\u56de\u8c03\u51fd\u6570\u4e2d\u7f16\u5199\u903b\u8f91\u6765\u5904\u7406\u6bcf\u4e2a\u5143\u7d20\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528forEach\u5faa\u73af\u6765\u6253\u5370\u6570\u7ec4\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528forEach\u5faa\u73af\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"language-javascript\">const arr = [1, 2, 3, 4, 5];\n\narr.forEach((element, index, array) =&gt; {\n  console.log(`\u5143\u7d20\u503c\uff1a${element}\uff0c\u7d22\u5f15\uff1a${index}\uff0c\u6570\u7ec4\uff1a${array}`);\n});\n<\/code><\/pre>\n<p><strong>2. JavaScript\u4e2d\u7684forEach\u5faa\u73af\u6709\u54ea\u4e9b\u4f18\u52bf\uff1f<\/strong><br \/>\u4f7f\u7528forEach\u5faa\u73af\u6709\u51e0\u4e2a\u4f18\u52bf\u3002\u9996\u5148\uff0c\u5b83\u662f\u4e00\u79cd\u7b80\u6d01\u800c\u76f4\u89c2\u7684\u8bed\u6cd5\uff0c\u80fd\u591f\u66f4\u5bb9\u6613\u5730\u5b9e\u73b0\u5bf9\u6570\u7ec4\u7684\u904d\u5386\u3002\u5176\u6b21\uff0cforEach\u5faa\u73af\u662f\u4e00\u4e2a\u81ea\u52a8\u8fed\u4ee3\u7684\u8fc7\u7a0b\uff0c\u65e0\u9700\u624b\u52a8\u6307\u5b9a\u8fed\u4ee3\u6b21\u6570\u3002\u53e6\u5916\uff0c\u7531\u4e8eforEach\u5faa\u73af\u662f\u4e00\u4e2a\u9ad8\u9636\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u5176\u4e0e\u5176\u4ed6\u6570\u7ec4\u65b9\u6cd5\u7ed3\u5408\u4f7f\u7528\uff0c\u4ee5\u5b9e\u73b0\u66f4\u590d\u6742\u7684\u64cd\u4f5c\u3002\u6b64\u5916\uff0c\u4f7f\u7528forEach\u5faa\u73af\u8fd8\u6709\u52a9\u4e8e\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u7ef4\u62a4\u6027\u548c\u53ef\u91cd\u7528\u6027\u3002<\/p>\n<p><strong>3. \u5982\u4f55\u5728forEach\u5faa\u73af\u4e2d\u4f7f\u7528break\u6216continue\u8bed\u53e5\uff1f<\/strong><br \/>\u5728\u5e38\u89c4\u7684forEach\u5faa\u73af\u4e2d\uff0c\u6ca1\u6709\u76f4\u63a5\u7684\u65b9\u6cd5\u6765\u4f7f\u7528break\u6216continue\u5173\u952e\u5b57\u6765\u8df3\u51fa\u5faa\u73af\u6216\u8df3\u8fc7\u5f53\u524d\u8fed\u4ee3\u3002\u8fd9\u662f\u56e0\u4e3aforEach\u5faa\u73af\u662f\u4e00\u79cd\u8fed\u4ee3\u6240\u6709\u5143\u7d20\u76f4\u81f3\u5b8c\u6210\u7684\u81ea\u52a8\u8fc7\u7a0b\uff0c\u800c\u4e0d\u662f\u4e00\u4e2a\u53ef\u4ee5\u624b\u52a8\u63a7\u5236\u8fed\u4ee3\u7684\u5faa\u73af\u3002\u5982\u679c\u8981\u5b9e\u73b0\u7c7b\u4f3c\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u4f7f\u7528\u5176\u4ed6\u5faa\u73af\u7ed3\u6784\uff0c\u4f8b\u5982for\u5faa\u73af\u6216while\u5faa\u73af\uff0c\u5e76\u5728\u5faa\u73af\u4f53\u5185\u4f7f\u7528break\u6216continue\u8bed\u53e5\u6765\u5b9e\u73b0\u6761\u4ef6\u5224\u65ad\u3002\u4f46\u8bf7\u6ce8\u610f\uff0c\u5c3d\u91cf\u907f\u514d\u5728forEach\u5faa\u73af\u4e2d\u4f7f\u7528\u8fd9\u4e9b\u8bed\u53e5\uff0c\u4ee5\u4fdd\u6301\u4ee3\u7801\u7684\u6e05\u6670\u548c\u6613\u8bfb\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728JavaScript\u4e2d\uff0cforEach\u5faa\u73af\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u5bf9\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u6267\u884c\u4e00\u4e2a\u51fd\u6570\u3002\u6700\u6838 [&hellip;]","protected":false},"author":3,"featured_media":171641,"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\/171633"}],"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=171633"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/171633\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/171641"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=171633"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=171633"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=171633"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}