{"id":265338,"date":"2024-05-15T16:08:54","date_gmt":"2024-05-15T08:08:54","guid":{"rendered":""},"modified":"2024-05-15T16:09:02","modified_gmt":"2024-05-15T08:09:02","slug":"javascript-%e7%bc%96%e7%a8%8b%e4%bb%a3%e7%a0%81%e4%b8%ad-while-%e6%80%8e%e4%b9%88%e4%bd%bf%e7%94%a8-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/265338.html","title":{"rendered":"javascript \u7f16\u7a0b\u4ee3\u7801\u4e2d while \u600e\u4e48\u4f7f\u7528"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/27130013\/e5b43686-dd2a-4053-8b2d-fcbb30057759.webp\" alt=\"javascript \u7f16\u7a0b\u4ee3\u7801\u4e2d while \u600e\u4e48\u4f7f\u7528\" \/><\/p>\n<p><p>\u5728JavaScript\u7f16\u7a0b\u4e2d\uff0c<code>while<\/code>\u5faa\u73af\u662f\u4e00\u79cd\u57fa\u7840\u4e14\u5f3a\u5927\u7684\u63a7\u5236\u6d41\u7ed3\u6784\uff0c\u5b83\u4f7f\u5f97\u5728\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\u80fd\u591f\u91cd\u590d\u6267\u884c\u4ee3\u7801\u5757\u3002\u5176\u6838\u5fc3\u7528\u9014\u5305\u62ec<strong>\u5b9e\u73b0\u5faa\u73af\u64cd\u4f5c\u3001\u904d\u5386\u6570\u636e\u7ed3\u6784\u3001\u76d1\u542c\u4e8b\u4ef6\u7b49<\/strong>\u3002\u5728\u8bb8\u591a\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u8981\u5bf9\u4e00\u7ec4\u6570\u636e\u8fdb\u884c\u64cd\u4f5c\u6216\u8005\u7b49\u5f85\u67d0\u4e2a\u6761\u4ef6\u6ee1\u8db3\u4e4b\u524d\u9700\u8981\u6301\u7eed\u68c0\u67e5\u8be5\u6761\u4ef6\uff0c\u90a3\u4e48<code>while<\/code>\u5faa\u73af\u5c31\u975e\u5e38\u6709\u7528\u3002<\/p>\n<\/p>\n<p><p>\u4e3e\u4e2a\u4f8b\u5b50\uff0c<strong>\u904d\u5386\u6570\u636e\u7ed3\u6784<\/strong>\u662f<code>while<\/code>\u5faa\u73af\u4e00\u4e2a\u975e\u5e38\u5178\u578b\u7684\u5e94\u7528\u573a\u666f\u3002\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u6570\u7ec4\uff0c\u9700\u8981\u9010\u4e00\u68c0\u67e5\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\uff0c\u82e5\u6570\u7ec4\u7684\u957f\u5ea6\u672a\u77e5\u6216\u8005\u9700\u8981\u5728\u5faa\u73af\u4e2d\u6539\u53d8\u5176\u6307\u9488\u4f4d\u7f6e\uff0c<code>while<\/code>\u5faa\u73af\u63d0\u4f9b\u4e86\u4e00\u79cd\u7075\u6d3b\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u8fd9\u4e00\u8fc7\u7a0b\uff0c\u4ee5\u4e00\u79cd\u975e\u5e38\u76f4\u89c2\u7684\u65b9\u5f0f\u63a7\u5236\u5faa\u73af\u6267\u884c\u3002<\/p>\n<\/p>\n<p><h2>\u4e00\u3001WHILE \u5faa\u73af\u7684\u57fa\u672c\u8bed\u6cd5<\/h2>\n<\/p>\n<p><p>\u5728\u6df1\u5165\u638c\u63e1\u5982\u4f55\u4f7f\u7528<code>while<\/code>\u5faa\u73af\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4e86\u89e3\u5176\u57fa\u672c\u8bed\u6cd5\u3002<code>while<\/code>\u5faa\u73af\u7684\u7ed3\u6784\u975e\u5e38\u7b80\u5355\uff0c\u53ea\u5305\u542b\u4e00\u4e2a\u6761\u4ef6\u8868\u8fbe\u5f0f\uff0c\u8be5\u8868\u8fbe\u5f0f\u5982\u679c\u8bc4\u4f30\u4e3a\u771f\uff08true\uff09\uff0c\u5faa\u73af\u5185\u90e8\u7684\u4ee3\u7801\u5757\u5c31\u4f1a\u6267\u884c\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">while (condition) {<\/p>\n<p>  \/\/ \u6267\u884c\u4ee3\u7801\u5757<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u91cc\uff0c<code>condition<\/code>\u662f\u5faa\u73af\u7ee7\u7eed\u6267\u884c\u7684\u6761\u4ef6\u3002\u8fd9\u610f\u5473\u7740\u53ea\u8981\u6761\u4ef6\u4e3a\u771f\uff0c\u5faa\u73af\u5c31\u4f1a\u6301\u7eed\u6267\u884c\u3002\u8fd9\u79cd\u7ed3\u6784\u4f7f\u5f97<code>while<\/code>\u5faa\u73af\u65e2\u7b80\u5355\u53c8\u5f3a\u5927\uff0c\u4f46\u4e5f\u5bb9\u6613\u5f15\u8d77\u65e0\u9650\u5faa\u73af\uff0c\u5982\u679c\u6761\u4ef6\u59cb\u7ec8\u4e3a\u771f\uff0c\u5faa\u73af\u5c06\u6c38\u4e0d\u505c\u6b62\u3002<\/p>\n<\/p>\n<p><h2>\u4e8c\u3001\u5b9e\u73b0\u5faa\u73af\u64cd\u4f5c<\/h2>\n<\/p>\n<p><p><code>while<\/code>\u5faa\u73af\u53ef\u4ee5\u7528\u6765\u6267\u884c\u91cd\u590d\u6027\u7684\u4efb\u52a1\uff0c\u76f4\u5230\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<code>while<\/code>\u5faa\u73af\u6765\u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684\u8ba1\u6570\u5668\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">let count = 0;<\/p>\n<p>while (count &lt; 5) {<\/p>\n<p>  console.log(count);<\/p>\n<p>  count++;<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c<code>while<\/code>\u5faa\u73af\u8ba9\u6211\u4eec\u6267\u884c\u4e00\u4e2a\u4ee3\u7801\u5757\uff0c\u6253\u5370\u51fa0\u52304\u7684\u6570\u5b57\u3002\u5faa\u73af\u5f00\u59cb\u524d\uff0c\u8ba1\u6570\u5668<code>count<\/code>\u521d\u59cb\u5316\u4e3a0\u3002\u6bcf\u6b21\u5faa\u73af\u6267\u884c\u65f6\uff0c\u4f1a\u68c0\u67e5<code>count<\/code>\u662f\u5426\u5c0f\u4e8e5\uff0c\u662f\u7684\u8bdd\u5c31\u6253\u5370\u5f53\u524d\u7684<code>count<\/code>\u503c\uff0c\u7136\u540e\u9012\u589e<code>count<\/code>\u7684\u503c\u3002\u4e00\u65e6<code>count<\/code>\u503c\u5230\u8fbe5\uff0c\u6761\u4ef6\u4e0d\u518d\u6ee1\u8db3\uff0c\u5faa\u73af\u7ed3\u675f\u3002<\/p>\n<\/p>\n<p><h2>\u4e09\u3001\u904d\u5386\u6570\u636e\u7ed3\u6784<\/h2>\n<\/p>\n<p><p><code>while<\/code>\u5faa\u73af\u5e7f\u6cdb\u5e94\u7528\u4e8e\u6570\u636e\u7ed3\u6784\u904d\u5386\u3002\u8003\u8651\u5230\u6570\u7ec4\u548c\u5217\u8868\u7684\u573a\u666f\uff0c\u501f\u52a9\u5faa\u73af\u53ef\u4ee5\u5728\u4e0d\u77e5\u9053\u6570\u636e\u957f\u5ea6\u7684\u60c5\u51b5\u4e0b\u5b8c\u6210\u904d\u5386\u3002<\/p>\n<\/p>\n<p><pre><code class=\"language-javascript\">let arr = [1, 2, 3, 4, 5];<\/p>\n<p>let index = 0;<\/p>\n<p>while (index &lt; arr.length) {<\/p>\n<p>  console.log(arr[index]);<\/p>\n<p>  index++;<\/p>\n<p>}<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u6bb5\u4ee3\u7801\u4e2d\uff0c\u901a\u8fc7<code>while<\/code>\u5faa\u73af\uff0c\u6211\u4eec\u80fd\u591f\u9010\u4e2a\u8bbf\u95ee\u6570\u7ec4<code>arr<\/code>\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002\u5faa\u73af\u5c06\u7ee7\u7eed\u6267\u884c\uff0c\u76f4\u5230<code>index<\/code>\u7b49\u4e8e\u6570\u7ec4\u7684\u957f\u5ea6\uff0c\u8fd9\u65f6\u5019\u6240\u6709\u5143\u7d20\u5df2\u7ecf\u88ab\u8bbf\u95ee\u4e00\u904d\uff0c\u5faa\u73af\u7ed3\u675f\u3002<\/p>\n<\/p>\n<p><h2>\u56db\u3001\u76d1\u542c\u4e8b\u4ef6<\/h2>\n<\/p>\n<p><p><code>while<\/code>\u5faa\u73af\u8fd8\u53ef\u4ee5\u7528\u4e8e\u4e8b\u4ef6\u76d1\u542c\u6216\u6761\u4ef6\u6ee1\u8db3\u4e4b\u524d\u7684\u8f6e\u8be2\u673a\u5236\u3002\u8fd9\u5728\u5904\u7406\u5f02\u6b65\u7f16\u7a0b\u6216\u7b49\u5f85\u67d0\u4e9b\u72b6\u6001\u53d8\u5316\u65f6\u975e\u5e38\u6709\u7528\u3002\u7136\u800c\uff0c\u7531\u4e8eJavaScript\u7684\u5355\u7ebf\u7a0b\u7279\u6027\uff0c\u8fd9\u79cd\u65b9\u5f0f\u9700\u8981\u8c28\u614e\u4f7f\u7528\uff0c\u4ee5\u907f\u514d\u963b\u585e\u4e3b\u7ebf\u7a0b\u3002<\/p>\n<\/p>\n<p><p>\u4f8b\u5982\uff0c\u8003\u8651\u5230\u4e00\u4e2a\u5f02\u6b65\u6570\u636e\u52a0\u8f7d\u7684\u573a\u666f\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u4f7f\u7528\u4e00\u4e2a\u6807\u5fd7\u4f4d\u6765\u5224\u65ad\u6570\u636e\u662f\u5426\u52a0\u8f7d\u5b8c\u6210\uff0c\u7136\u540e\u518d\u53bb\u6267\u884c\u67d0\u4e9b\u64cd\u4f5c\u3002\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u9002\u5f53\u7684<code>while<\/code>\u5faa\u73af\u7ed3\u5408\u5f02\u6b65\u51fd\u6570\u53ef\u4ee5\u63d0\u4f9b\u4e00\u79cd\u89e3\u51b3\u65b9\u6848\uff0c\u4f46\u66f4\u63a8\u8350\u4f7f\u7528\u4e8b\u4ef6\u76d1\u542c\u6216\u8005Promise\u548cAsync\/Aw<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>t\u7b49\u73b0\u4ee3JavaScript\u7279\u6027\u6765\u5904\u7406\u5f02\u6b65\u6d41\u7a0b\u3002<\/p>\n<\/p>\n<p><h2>\u4e94\u3001\u5c0f\u5fc3\u5904\u7406\u65e0\u9650\u5faa\u73af<\/h2>\n<\/p>\n<p><p>\u867d\u7136<code>while<\/code>\u5faa\u73af\u6781\u4e3a\u6709\u7528\uff0c\u4f46\u4e00\u4e2a\u5e38\u89c1\u7684\u9677\u9631\u662f\u65e0\u9650\u5faa\u73af\u3002\u5982\u679c\u5faa\u73af\u6761\u4ef6\u59cb\u7ec8\u4e3a\u771f\uff0c\u90a3\u4e48\u5faa\u73af\u5c06\u6c38\u8fdc\u6267\u884c\u4e0b\u53bb\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u6d4f\u89c8\u5668\u65e0\u54cd\u5e94\u6216\u8005\u7a0b\u5e8f\u5d29\u6e83\u3002\u56e0\u6b64\uff0c\u5728\u7f16\u5199<code>while<\/code>\u5faa\u73af\u65f6\uff0c\u786e\u4fdd\u5faa\u73af\u80fd\u591f\u5728\u6761\u4ef6\u4e0d\u6ee1\u8db3\u65f6\u6b63\u786e\u9000\u51fa\u662f\u975e\u5e38\u5173\u952e\u7684\u3002<\/p>\n<\/p>\n<p><h2>\u7ed3\u8bba<\/h2>\n<\/p>\n<p><p><code>while<\/code>\u5faa\u73af\u662fJavaScript\u4e2d\u4e00\u4e2a\u57fa\u7840\u4f46\u7075\u6d3b\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u901a\u8fc7\u63a7\u5236\u5faa\u73af\u6761\u4ef6\uff0c\u5b83\u80fd\u5b9e\u73b0\u590d\u6742\u7684\u903b\u8f91\u548c\u6570\u636e\u64cd\u4f5c\u3002\u65e0\u8bba\u662f\u5728\u5faa\u73af\u64cd\u4f5c\u3001\u904d\u5386\u6570\u636e\u7ed3\u6784\u8fd8\u662f\u76d1\u542c\u4e8b\u4ef6\u4e2d\uff0c<code>while<\/code>\u5faa\u73af\u90fd\u80fd\u63d0\u4f9b\u7b80\u5355\u6709\u6548\u7684\u89e3\u51b3\u65b9\u6848\u3002\u7136\u800c\uff0c\u6b63\u786e\u4f7f\u7528\u5e76\u907f\u514d\u9677\u5165\u65e0\u9650\u5faa\u73af\u7684\u98ce\u9669\u662f\u81f3\u5173\u91cd\u8981\u7684\u3002\u638c\u63e1<code>while<\/code>\u5faa\u73af\u53ca\u5176\u7ec6\u8282\uff0c\u53ef\u4ee5\u8ba9\u4f60\u7684JavaScript\u7f16\u7a0b\u66f4\u52a0\u7cbe\u51c6\u548c\u9ad8\u6548\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>\u5982\u4f55\u4f7f\u7528 JavaScript \u4e2d\u7684 while \u5faa\u73af\uff1f<\/strong><\/p>\n<ul>\n<li><strong>\u95ee\u9898\uff1a<\/strong> JavaScript \u4e2d\u7684 while \u5faa\u73af\u600e\u4e48\u4f7f\u7528\uff1f<\/li>\n<li><strong>\u56de\u7b54\uff1a<\/strong> \u5728 JavaScript \u7f16\u7a0b\u4e2d\uff0cwhile \u5faa\u73af\u662f\u4e00\u79cd\u91cd\u590d\u6267\u884c\u7279\u5b9a\u4ee3\u7801\u5757\u7684\u7ed3\u6784\u3002\u5b83\u7684\u5de5\u4f5c\u539f\u7406\u662f\u5728\u5faa\u73af\u5f00\u59cb\u524d\u5148\u68c0\u67e5\u4e00\u4e2a\u6761\u4ef6\uff0c\u5982\u679c\u6761\u4ef6\u6ee1\u8db3\uff0c\u5219\u8fdb\u5165\u5faa\u73af\u5e76\u6267\u884c\u4ee3\u7801\u5757\u3002\u6267\u884c\u5b8c\u4ee3\u7801\u5757\u540e\uff0c\u518d\u6b21\u68c0\u67e5\u6761\u4ef6\u3002\u5982\u679c\u6761\u4ef6\u4ecd\u7136\u6ee1\u8db3\uff0c\u5219\u7ee7\u7eed\u91cd\u590d\u6267\u884c\u4ee3\u7801\u5757\uff0c\u76f4\u5230\u6761\u4ef6\u4e0d\u518d\u6ee1\u8db3\u4e3a\u6b62\u3002<\/li>\n<li><strong>\u4e3e\u4f8b\uff1a<\/strong> \u5047\u8bbe\u6211\u4eec\u8981\u5728 JavaScript \u4e2d\u4f7f\u7528 while \u5faa\u73af\u8f93\u51fa\u4e00\u7ec4\u6570\u5b57\uff0c\u4f8b\u5982\u4ece 1 \u5230 10\uff1a<\/li>\n<\/ul>\n<pre><code class=\"language-javascript\">let i = 1;\nwhile (i &lt;= 10) {\n  console.log(i);\n  i++;\n}\n<\/code><\/pre>\n<ul>\n<li><strong>\u89e3\u91ca\uff1a<\/strong> \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u9996\u5148\u5c06\u53d8\u91cf i \u521d\u59cb\u5316\u4e3a 1\u3002\u7136\u540e\uff0c\u5728 while \u5faa\u73af\u4e2d\uff0c\u6211\u4eec\u68c0\u67e5\u6761\u4ef6 i &lt;= 10\u3002\u5982\u679c\u6761\u4ef6\u4e3a\u771f\uff0c\u5219\u6267\u884c\u4ee3\u7801\u5757\u5185\u7684\u8bed\u53e5\uff0c\u5373\u8f93\u51fa\u5f53\u524d\u7684 i \u503c\uff0c\u5e76\u5c06 i \u7684\u503c\u589e\u52a0 1\uff08\u901a\u8fc7 i++ \u8fd0\u7b97\u7b26\uff09\u3002\u7136\u540e\uff0c\u5faa\u73af\u4f1a\u518d\u6b21\u56de\u5230\u6761\u4ef6\u68c0\u67e5\u7684\u5730\u65b9\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u5c06\u4e00\u76f4\u91cd\u590d\uff0c\u76f4\u5230 i \u7684\u503c\u4e0d\u518d\u6ee1\u8db3\u6761\u4ef6\uff0c\u6b64\u65f6\u5faa\u73af\u7ed3\u675f\u3002<\/li>\n<\/ul>\n<p><strong>\u5982\u4f55\u5728 JavaScript \u7f16\u7a0b\u4e2d\u6b63\u786e\u9000\u51fa while \u5faa\u73af\uff1f<\/strong><\/p>\n<ul>\n<li><strong>\u95ee\u9898\uff1a<\/strong> \u5728 JavaScript \u7f16\u7a0b\u4e2d\uff0c\u5982\u4f55\u6b63\u786e\u9000\u51fa while \u5faa\u73af\uff1f<\/li>\n<li><strong>\u56de\u7b54\uff1a<\/strong> \u4e3a\u4e86\u6b63\u786e\u9000\u51fa while \u5faa\u73af\uff0c\u5728\u5faa\u73af\u4f53\u4e2d\u9700\u8981\u8bbe\u7f6e\u4e00\u4e2a\u8df3\u51fa\u5faa\u73af\u7684\u6761\u4ef6\u3002\u5f53\u8be5\u6761\u4ef6\u6ee1\u8db3\u65f6\uff0c\u5faa\u73af\u4f1a\u7acb\u5373\u7ec8\u6b62\uff0c\u4ee3\u7801\u4f1a\u7ee7\u7eed\u6267\u884c\u5faa\u73af\u4e4b\u540e\u7684\u8bed\u53e5\u3002<\/li>\n<li><strong>\u4e3e\u4f8b\uff1a<\/strong> \u5047\u8bbe\u6211\u4eec\u60f3\u8981\u5728\u7528\u6237\u8f93\u5165\u67d0\u4e2a\u7279\u5b9a\u503c\u65f6\u9000\u51fa\u5faa\u73af\uff1a<\/li>\n<\/ul>\n<pre><code class=\"language-javascript\">let userInput;\nwhile (true) {\n  userInput = prompt(&quot;\u8bf7\u8f93\u5165\u4e00\u4e2a\u503c\uff1a&quot;);\n  if (userInput === &quot;\u9000\u51fa&quot;) {\n    break;\n  }\n  console.log(&quot;\u60a8\u8f93\u5165\u7684\u503c\u662f\uff1a&quot; + userInput);\n}\n<\/code><\/pre>\n<ul>\n<li><strong>\u89e3\u91ca\uff1a<\/strong> \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u4e00\u4e2a\u65e0\u9650\u5faa\u73af\uff08while \u7684\u6761\u4ef6\u4e3a true\uff09\uff0c\u5e76\u5728\u5faa\u73af\u4f53\u5185\u4f7f\u7528 prompt \u51fd\u6570\u4ece\u7528\u6237\u90a3\u91cc\u83b7\u53d6\u8f93\u5165\u3002\u5982\u679c\u7528\u6237\u8f93\u5165\u7684\u503c\u662f &quot;\u9000\u51fa&quot;\uff0c\u6211\u4eec\u901a\u8fc7\u4f7f\u7528 break \u8bed\u53e5\u6765\u8df3\u51fa\u5faa\u73af\u3002\u5426\u5219\uff0c\u6211\u4eec\u5c06\u7528\u6237\u8f93\u5165\u7684\u503c\u8f93\u51fa\u5230\u63a7\u5236\u53f0\u3002<\/li>\n<\/ul>\n<p><strong>\u5982\u4f55\u907f\u514d\u9677\u5165\u65e0\u9650\u5faa\u73af\u7684 JavaScript while \u5faa\u73af\uff1f<\/strong><\/p>\n<ul>\n<li><strong>\u95ee\u9898\uff1a<\/strong> \u5728 JavaScript \u7f16\u7a0b\u4e2d\uff0c\u5982\u4f55\u907f\u514d\u9677\u5165\u65e0\u9650\u5faa\u73af\u7684 while \u5faa\u73af\uff1f<\/li>\n<li><strong>\u56de\u7b54\uff1a<\/strong> \u4e3a\u4e86\u907f\u514d\u9677\u5165\u65e0\u9650\u5faa\u73af\uff0c\u5e94\u8be5\u786e\u4fdd\u5728 while \u5faa\u73af\u4e2d\u7684\u6761\u4ef6\u6700\u7ec8\u4f1a\u53d8\u4e3a false\u3002\u5426\u5219\uff0c\u5faa\u73af\u5c06\u6c38\u8fdc\u4e0d\u4f1a\u7ed3\u675f\u3002<\/li>\n<li><strong>\u5efa\u8bae\uff1a<\/strong>\n<ol>\n<li>\u5728\u7f16\u5199 while \u5faa\u73af\u65f6\uff0c\u786e\u4fdd\u5faa\u73af\u6761\u4ef6\u4f1a\u968f\u7740\u5faa\u73af\u4f53\u5185\u7684\u4ee3\u7801\u6267\u884c\u800c\u53d1\u751f\u53d8\u5316\uff0c\u6700\u7ec8\u5bfc\u81f4\u5faa\u73af\u6761\u4ef6\u4e3a false\u3002<\/li>\n<li>\u786e\u4fdd\u5faa\u73af\u4f53\u5185\u7684\u4ee3\u7801\u80fd\u591f\u6539\u53d8\u5faa\u73af\u6761\u4ef6\uff0c\u4f8b\u5982\u4f7f\u7528\u6761\u4ef6\u8bed\u53e5\uff08\u4f8b\u5982 if \u8bed\u53e5\uff09\u6216\u4fee\u6539\u5faa\u73af\u63a7\u5236\u53d8\u91cf\u7684\u503c\u3002<\/li>\n<li>\u4f7f\u7528\u8ba1\u6570\u5668\u6216\u5176\u4ed6\u53d8\u91cf\u6765\u8ffd\u8e2a\u5faa\u73af\u7684\u6267\u884c\u6b21\u6570\uff0c\u5e76\u8bbe\u7f6e\u7ec8\u6b62\u5faa\u73af\u7684\u6761\u4ef6\u3002<\/li>\n<\/ol>\n<\/li>\n<li><strong>\u4e3e\u4f8b\uff1a<\/strong> \u5047\u8bbe\u6211\u4eec\u8981\u901a\u8fc7\u5faa\u73af\u8f93\u51fa 5 \u7684\u500d\u6570\uff0c\u4f46\u662f\u5728\u8f93\u51fa 10 \u540e\u9000\u51fa\u5faa\u73af\uff1a<\/li>\n<\/ul>\n<pre><code class=\"language-javascript\">let i = 1;\nwhile (i &lt;= 100) {\n  console.log(i);\n  if (i === 10) {\n    break;\n  }\n  i += 5;\n}\n<\/code><\/pre>\n<ul>\n<li><strong>\u89e3\u91ca\uff1a<\/strong> \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u4e00\u4e2a\u8ba1\u6570\u5668\u53d8\u91cf i\uff0c\u5e76\u5728\u5faa\u73af\u4f53\u5185\u4ee5\u6bcf\u6b21\u589e\u52a0 5 \u7684\u65b9\u5f0f\u66f4\u65b0\u5b83\u7684\u503c\u3002\u5f53 i \u7684\u503c\u7b49\u4e8e 10 \u65f6\uff0c\u6211\u4eec\u4f7f\u7528\u4e86 break \u8bed\u53e5\u6765\u8df3\u51fa\u5faa\u73af\uff0c\u5373\u5728\u8f93\u51fa 10 \u540e\u9000\u51fa\u5faa\u73af\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"\u5728JavaScript\u7f16\u7a0b\u4e2d\uff0cwhile\u5faa\u73af\u662f\u4e00\u79cd\u57fa\u7840\u4e14\u5f3a\u5927\u7684\u63a7\u5236\u6d41\u7ed3\u6784\uff0c\u5b83\u4f7f\u5f97\u5728\u6ee1\u8db3\u7279\u5b9a\u6761\u4ef6\u65f6\u80fd\u591f\u91cd\u590d\u6267\u884c\u4ee3 [&hellip;]","protected":false},"author":3,"featured_media":265348,"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\/265338"}],"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=265338"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/265338\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/265348"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=265338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=265338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=265338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}