{"id":52999,"date":"2024-12-03T14:05:11","date_gmt":"2024-12-03T06:05:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/52999\/"},"modified":"2024-12-03T14:05:11","modified_gmt":"2024-12-03T06:05:11","slug":"%e7%90%86%e8%a7%a3-javascript-%e4%b8%ad%e7%9a%84%e8%bf%90%e7%ae%97%e7%ac%a6%e5%85%b3%e8%81%94%e6%80%a7","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/52999\/","title":{"rendered":"\u7406\u89e3 JavaScript \u4e2d\u7684\u8fd0\u7b97\u7b26\u5173\u8054\u6027"},"content":{"rendered":"<p><b><\/b>     <\/p>\n<h1>\u7406\u89e3 JavaScript \u4e2d\u7684\u8fd0\u7b97\u7b26\u5173\u8054\u6027<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span>    <\/p>\n<p>\u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300a\u7406\u89e3 JavaScript \u4e2d\u7684\u8fd0\u7b97\u7b26\u5173\u8054\u6027\u300b<\/span>\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6587\u7ae0<\/span>\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241125\/173252055667442a6c6c3c9.jpg\" class=\"aligncenter\" title=\"\u7406\u89e3 JavaScript \u4e2d\u7684\u8fd0\u7b97\u7b26\u5173\u8054\u6027\u63d2\u56fe\" alt=\"\u7406\u89e3 JavaScript \u4e2d\u7684\u8fd0\u7b97\u7b26\u5173\u8054\u6027\u63d2\u56fe\" \/><\/p>\n<p>\u5728 javascript \u4e2d\uff0c<strong>\u8fd0\u7b97\u7b26\u5173\u8054\u6027<\/strong> \u786e\u5b9a\u76f8\u540c\u4f18\u5148\u7ea7\u7684\u8fd0\u7b97\u7b26\u5728\u8868\u8fbe\u5f0f\u4e2d\u6c42\u503c\u7684\u987a\u5e8f\u3002\u8fd0\u7b97\u7b26\u53ef\u4ee5\u662f <strong>\u5de6\u5173\u8054<\/strong>\uff08\u4ece\u5de6\u5230\u53f3\u8ba1\u7b97\uff09\u6216 <strong>\u53f3\u5173\u8054<\/strong>\uff08\u4ece\u53f3\u5230\u5de6\u8ba1\u7b97\uff09\u3002<\/p>\n<h3> \u5de6\u7ed3\u5408\u8fd0\u7b97\u7b26 <\/h3>\n<p>\u5927\u591a\u6570\u8fd0\u7b97\u7b26\uff0c\u5982 +\u3001-\u3001* \u548c \/\uff0c\u90fd\u662f<strong>\u5de6\u7ed3\u5408<\/strong>\u3002\u8fd9\u610f\u5473\u7740\u5f53\u4e00\u4e2a\u8868\u8fbe\u5f0f\u4e2d\u6709\u591a\u4e2a\u8fd9\u6837\u7684\u503c\u65f6\uff0c\u8ba1\u7b97\u673a\u5c06\u4ece<strong>\u4ece\u5de6\u5230\u53f3<\/strong>\u8fdb\u884c\u8ba1\u7b97\u3002 <\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>10 - 3 - 2\n<\/pre>\n<p>\u8ba1\u7b97\u516c\u5f0f\u4e3a (10 &#8211; 3) &#8211; 2\uff0c\u5f97\u5230 5\u3002\u9996\u5148\u8ba1\u7b97\u5de6\u8fb9\u90e8\u5206\u3002<\/p>\n<h3> \u53f3\u7ed3\u5408\u8fd0\u7b97\u7b26 <\/h3>\n<p>\u4e00\u4e9b\u8fd0\u7b97\u7b26\uff0c\u4f8b\u5982<strong>\u6c42\u5e42\u8fd0\u7b97\u7b26<\/strong> (**)\uff0c\u662f<strong>\u53f3\u7ed3\u5408<\/strong>\u3002\u8fd9\u610f\u5473\u7740\u5f53\u60a8\u5728\u4e00\u884c\u4e2d\u770b\u5230\u591a\u4e2a ** \u65f6\uff0c\u5b83\u662f\u4ece<strong>\u4ece\u53f3\u5230\u5de6<\/strong>.<\/p>\n<p>\u8ba1\u7b97\u7684 <\/p>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre>2 ** 3 ** 2\n<\/pre>\n<p>\u8ba1\u7b97\u4e3a 2 ** (3 ** 2)\uff0c\u5f97\u5230 512\u3002\u9996\u5148\u8ba1\u7b97\u53f3\u8fb9\u7684\u90e8\u5206\u3002<\/p>\n<h3> \u4e3a\u4ec0\u4e48\u5173\u8054\u6027\u5f88\u91cd\u8981 <\/h3>\n<ul>\n<li>\u5173\u8054\u6027\u4f1a\u5f71\u54cd\u5177\u6709\u76f8\u540c\u4f18\u5148\u7ea7\u7684\u591a\u4e2a\u8fd0\u7b97\u7b26\u7684\u590d\u6742\u8868\u8fbe\u5f0f\uff0c\u56e0\u6b64\u7406\u89e3\u5b83\u6709\u52a9\u4e8e\u907f\u514d\u610f\u5916\u7ed3\u679c\u3002<\/li>\n<li>\u7ed3\u5408\u6027\u4e0d\u4f1a\u5f71\u54cd\u4e0d\u540c\u4f18\u5148\u7ea7\u7684\u8fd0\u7b97\u7b26\uff1b\u8fd9\u4e9b\u662f\u6839\u636e\u4f18\u5148\u89c4\u5219\u8fdb\u884c\u8bc4\u4f30\u7684\u3002<\/li>\n<\/ul>\n<h3> \u6c47\u603b\u8868 <\/h3>\n<table>\n<thead>\n<tr>\n<th>operator<\/th>\n<th>associativity<\/th>\n<th>example<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td> +, -, *, \/ <\/td>\n<td>left<\/td>\n<td>10 &#8211; 3 &#8211; 2<\/td>\n<\/tr>\n<tr>\n<td>**<\/td>\n<td>right<\/td>\n<td>2 ** 3 ** 2<\/td>\n<\/tr>\n<tr>\n<td> =, +=, -= <\/td>\n<td>right<\/td>\n<td>a = b = c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5728\u7f16\u5199\u6e05\u6670\u4e14\u53ef\u9884\u6d4b\u7684 javascript \u8868\u8fbe\u5f0f\u65f6\uff0c\u7406\u89e3\u5173\u8054\u6027\u548c\u4f18\u5148\u7ea7\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u7406\u89e3 JavaScript \u4e2d\u7684\u8fd0\u7b97\u7b26\u5173\u8054\u6027\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\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   Win10\u8f93\u5165\u6cd5\u600e\u4e48\u5f00\u517c\u5bb9\u6a21\u5f0f Win10\u8f93\u5165\u6cd5\u5f00\u542f\u517c\u5bb9\u6a21\u5f0f\u7684\u65b9\u6cd5\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u7406\u89e3 JavaScript \u4e2d\u7684\u8fd0\u7b97\u7b26\u5173\u8054\u6027 \u6536\u85cf \u54c8\u55bd\uff01\u4eca\u5929\u5fc3\u8840\u6765\u6f6e\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300a\u7406\u89e3 JavaScript \u4e2d\u7684\u8fd0\u7b97\u7b26\u5173\u8054\u6027\u300b\uff0c\u60f3\u5fc5\u5927\u5bb6\u5e94\u8be5\u5bf9\u6587\u7ae0\u90fd\u4e0d\u964c\u751f\u5427\uff0c\u90a3\u4e48\u9605\u8bfb\u672c\u6587\u5c31\u90fd\u4e0d\u4f1a\u5f88\u56f0\u96be\uff0c\u4ee5\u4e0b\u5185\u5bb9\u4e3b\u8981\u6d89\u53ca\u5230\uff0c\u82e5\u662f\u4f60\u6b63\u5728\u5b66\u4e60\u6587\u7ae0\uff0c\u5343\u4e07\u522b\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0~\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u4f60\uff01 \u5728 javascript \u4e2d\uff0c\u8fd0\u7b97\u7b26\u5173\u8054\u6027 \u786e\u5b9a\u76f8\u540c\u4f18\u5148\u7ea7\u7684\u8fd0\u7b97\u7b26\u5728\u8868\u8fbe\u5f0f\u4e2d\u6c42\u503c\u7684\u987a\u5e8f\u3002\u8fd0\u7b97\u7b26\u53ef\u4ee5\u662f \u5de6\u5173\u8054\uff08\u4ece\u5de6\u5230\u53f3\u8ba1\u7b97\uff09\u6216 \u53f3\u5173\u8054\uff08\u4ece\u53f3\u5230\u5de6\u8ba1\u7b97\uff09\u3002 \u5de6\u7ed3\u5408\u8fd0\u7b97\u7b26 \u5927\u591a\u6570\u8fd0\u7b97\u7b26\uff0c\u5982 +\u3001-\u3001* \u548c \/\uff0c\u90fd\u662f\u5de6\u7ed3\u5408\u3002\u8fd9\u610f\u5473\u7740\u5f53\u4e00\u4e2a\u8868\u8fbe\u5f0f\u4e2d\u6709\u591a\u4e2a\u8fd9\u6837\u7684\u503c\u65f6\uff0c\u8ba1\u7b97\u673a\u5c06\u4ece\u4ece\u5de6\u5230\u53f3\u8fdb\u884c\u8ba1\u7b97\u3002 \u4f8b\u5982\uff1a 10 &#8211; 3 &#8211; 2 \u8ba1\u7b97\u516c\u5f0f\u4e3a (10 &#8211; 3) &#8211; 2\uff0c\u5f97\u5230 5\u3002\u9996\u5148\u8ba1\u7b97\u5de6\u8fb9\u90e8\u5206\u3002 \u53f3\u7ed3\u5408\u8fd0\u7b97\u7b26 \u4e00\u4e9b\u8fd0\u7b97\u7b26\uff0c\u4f8b\u5982\u6c42\u5e42\u8fd0\u7b97\u7b26 (**)\uff0c\u662f\u53f3\u7ed3\u5408\u3002\u8fd9\u610f\u5473\u7740\u5f53\u60a8\u5728\u4e00\u884c\u4e2d\u770b\u5230\u591a\u4e2a ** \u65f6\uff0c\u5b83\u662f\u4ece\u4ece\u53f3\u5230\u5de6. \u8ba1\u7b97\u7684 \u4f8b\u5982\uff1a 2 ** 3 ** 2 \u8ba1\u7b97\u4e3a 2 ** (3 ** 2)\uff0c\u5f97\u5230 512\u3002\u9996\u5148\u8ba1\u7b97\u53f3\u8fb9\u7684\u90e8\u5206\u3002 \u4e3a\u4ec0\u4e48\u5173\u8054\u6027\u5f88\u91cd\u8981 \u5173\u8054\u6027\u4f1a\u5f71\u54cd\u5177\u6709\u76f8\u540c\u4f18\u5148\u7ea7\u7684\u591a\u4e2a\u8fd0\u7b97\u7b26\u7684\u590d\u6742\u8868\u8fbe\u5f0f\uff0c\u56e0\u6b64\u7406\u89e3\u5b83\u6709\u52a9\u4e8e\u907f\u514d\u610f\u5916\u7ed3\u679c\u3002 \u7ed3\u5408\u6027\u4e0d\u4f1a\u5f71\u54cd\u4e0d\u540c\u4f18\u5148\u7ea7\u7684\u8fd0\u7b97\u7b26\uff1b\u8fd9\u4e9b\u662f\u6839\u636e\u4f18\u5148\u89c4\u5219\u8fdb\u884c\u8bc4\u4f30\u7684\u3002 \u6c47\u603b\u8868 operator [&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-52999","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52999","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=52999"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/52999\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=52999"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=52999"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=52999"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}