{"id":3190,"date":"2024-11-10T11:38:33","date_gmt":"2024-11-10T03:38:33","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3190\/"},"modified":"2024-11-10T11:38:33","modified_gmt":"2024-11-10T03:38:33","slug":"js%e5%a6%82%e4%bd%95%e8%8e%b7%e5%8f%96%e5%87%bd%e6%95%b0%e8%bf%94%e5%9b%9e%e5%80%bc","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3190\/","title":{"rendered":"js\u5982\u4f55\u83b7\u53d6\u51fd\u6570\u8fd4\u56de\u503c"},"content":{"rendered":"<blockquote><p>\n  \u5728 javascript \u4e2d\u83b7\u53d6\u51fd\u6570\u7684\u8fd4\u56de\u503c\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a\u4e00\u662f\u5c06\u51fd\u6570\u8d4b\u503c\u7ed9\u53d8\u91cf\uff1b\u4e8c\u662f\u4f7f\u7528\u51fd\u6570\u8fd4\u56de\u503c\u4f5c\u4e3a\u53e6\u4e00\u4e2a\u51fd\u6570\u7684\u53c2\u6570\uff1b\u4e09\u662f\u76f4\u63a5\u5728\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u51fd\u6570\u8fd4\u56de\u503c\u3002\u9700\u8981\u6ce8\u610f\uff0c\u5982\u679c\u6ca1\u6709\u660e\u786e\u8fd4\u56de\u503c\uff0c\u51fd\u6570\u9690\u5f0f\u8fd4\u56de undefined\u3002\n<\/p><\/blockquote>\n<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/202411\/08\/2024110806423149089.jpg\" class=\"aligncenter\" title=\"js\u5982\u4f55\u83b7\u53d6\u51fd\u6570\u8fd4\u56de\u503c\u63d2\u56fe\" alt=\"js\u5982\u4f55\u83b7\u53d6\u51fd\u6570\u8fd4\u56de\u503c\u63d2\u56fe\" \/><\/p>\n<p><strong>\u5982\u4f55\u5728 JavaScript \u4e2d\u83b7\u53d6\u51fd\u6570\u7684\u8fd4\u56de\u503c<\/strong><\/p>\n<p>JavaScript \u4e2d\u7684\u51fd\u6570\u901a\u8fc7 return \u5173\u952e\u5b57\u8fd4\u56de\u4e00\u4e2a\u503c\u3002\u8981\u83b7\u53d6\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<p><strong>1. \u5c06\u51fd\u6570\u8d4b\u503c\u7ed9\u4e00\u4e2a\u53d8\u91cf<\/strong><\/p>\n<pre>const result = myFunction();\nconsole.log(result); \/\/ \u8f93\u51fa\u51fd\u6570\u7684\u8fd4\u56de\u503c<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>2. \u4f7f\u7528\u51fd\u6570\u8fd4\u56de\u503c\u4f5c\u4e3a\u53e6\u4e00\u4e2a\u51fd\u6570\u7684\u53c2\u6570<\/strong><\/p>\n<pre>const myFunction = () =&gt; 5;\nconst anotherFunction = (num) =&gt; num * 2;\n\nconst result = anotherFunction(myFunction());\nconsole.log(result); \/\/ \u8f93\u51fa 10<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p><strong>3. \u76f4\u63a5\u5728\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u51fd\u6570\u8fd4\u56de\u503c<\/strong><\/p>\n<pre>console.log(myFunction() + anotherFunction()); \/\/ \u8f93\u51fa 7<\/pre>\n<p>  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n<p>\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5982\u679c\u51fd\u6570\u6ca1\u6709\u660e\u786e\u8fd4\u56de\u4efb\u4f55\u503c\uff0c\u5219\u5176\u9690\u5f0f\u8fd4\u56de undefined\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fjs\u5982\u4f55\u83b7\u53d6\u51fd\u6570\u8fd4\u56de\u503c\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 javascript \u4e2d\u83b7\u53d6\u51fd\u6570\u7684\u8fd4\u56de\u503c\u6709\u4e09\u79cd\u65b9\u6cd5\uff1a\u4e00\u662f\u5c06\u51fd\u6570\u8d4b\u503c\u7ed9\u53d8\u91cf\uff1b\u4e8c\u662f\u4f7f\u7528\u51fd\u6570\u8fd4\u56de\u503c\u4f5c\u4e3a\u53e6\u4e00\u4e2a\u51fd\u6570\u7684\u53c2\u6570\uff1b\u4e09\u662f\u76f4\u63a5\u5728\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u51fd\u6570\u8fd4\u56de\u503c\u3002\u9700\u8981\u6ce8\u610f\uff0c\u5982\u679c\u6ca1\u6709\u660e\u786e\u8fd4\u56de\u503c\uff0c\u51fd\u6570\u9690\u5f0f\u8fd4\u56de undefined\u3002 \u5982\u4f55\u5728 JavaScript \u4e2d\u83b7\u53d6\u51fd\u6570\u7684\u8fd4\u56de\u503c JavaScript \u4e2d\u7684\u51fd\u6570\u901a\u8fc7 return \u5173\u952e\u5b57\u8fd4\u56de\u4e00\u4e2a\u503c\u3002\u8981\u83b7\u53d6\u51fd\u6570\u7684\u8fd4\u56de\u503c\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a 1. \u5c06\u51fd\u6570\u8d4b\u503c\u7ed9\u4e00\u4e2a\u53d8\u91cf const result = myFunction(); console.log(result); \/\/ \u8f93\u51fa\u51fd\u6570\u7684\u8fd4\u56de\u503c \u767b\u5f55\u540e\u590d\u5236 2. \u4f7f\u7528\u51fd\u6570\u8fd4\u56de\u503c\u4f5c\u4e3a\u53e6\u4e00\u4e2a\u51fd\u6570\u7684\u53c2\u6570 const myFunction = () =&gt; 5; const anotherFunction = (num) =&gt; num * 2; const result = anotherFunction(myFunction()); console.log(result); \/\/ \u8f93\u51fa 10 \u767b\u5f55\u540e\u590d\u5236 3. \u76f4\u63a5\u5728\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u51fd\u6570\u8fd4\u56de\u503c console.log(myFunction() + anotherFunction()); \/\/ \u8f93\u51fa 7 \u767b\u5f55\u540e\u590d\u5236 [&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-3190","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3190","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=3190"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3190\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=3190"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=3190"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=3190"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}