{"id":3148,"date":"2024-11-10T14:54:56","date_gmt":"2024-11-10T06:54:56","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3148\/"},"modified":"2024-11-10T14:54:56","modified_gmt":"2024-11-10T06:54:56","slug":"js%e5%a6%82%e4%bd%95%e8%bf%94%e5%9b%9e%e5%80%bc","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3148\/","title":{"rendered":"js\u5982\u4f55\u8fd4\u56de\u503c"},"content":{"rendered":"

\n \u5728 javascript \u4e2d\uff0c\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528 return \u8bed\u53e5\u8fd4\u56de\u503c\uff0c\u8be5\u503c\u53ef\u4ee5\u662f\u4efb\u4f55 javascript \u6570\u636e\u7c7b\u578b\uff0c\u4f8b\u5982\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u3001\u5bf9\u8c61\u6216\u6570\u7ec4\u3002\u5982\u679c\u51fd\u6570\u6ca1\u6709\u660e\u786e\u8fd4\u56de\uff0c\u5219\u9ed8\u8ba4\u8fd4\u56de undefined\u3002\n<\/p><\/blockquote>\n

\"js\u5982\u4f55\u8fd4\u56de\u503c\u63d2\u56fe\"<\/p>\n

\u51fd\u6570\u8fd4\u56de\u503c<\/strong><\/p>\n

\u5728 JavaScript \u4e2d\uff0c\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528 return \u8bed\u53e5\u8fd4\u56de\u503c\u3002<\/p>\n

\u8bed\u6cd5<\/strong><\/p>\n

function nameOfFunction() {\n  \/\/ \u51fd\u6570\u4f53\n  return value;\n}<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5de5\u4f5c\u539f\u7406<\/strong><\/p>\n
\u5f53\u4e00\u4e2a\u51fd\u6570\u9047\u5230 return \u8bed\u53e5\u65f6\uff0c\u5b83\u4f1a\u7acb\u5373\u505c\u6b62\u6267\u884c\u5e76\u8fd4\u56de\u6307\u5b9a\u7684\u503c\u3002\u8be5\u503c\u53ef\u4ee5\u662f\u4efb\u4f55 JavaScript \u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\u539f\u59cb\u7c7b\u578b\uff08\u5982\u6570\u5b57\u6216\u5b57\u7b26\u4e32\uff09\u3001\u5bf9\u8c61\u6216\u6570\u7ec4\u3002<\/p>\n
\u793a\u4f8b<\/strong><\/p>\n
function square(num) {\n  return num * num;\n}\n\nconst result = square(5);\nconsole.log(result); \/\/ \u8f93\u51fa: 25<\/pre>\n
  \u767b\u5f55\u540e\u590d\u5236   <\/p>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0csquare \u51fd\u6570\u63a5\u53d7\u4e00\u4e2a\u6570\u5b57\u4f5c\u4e3a\u53c2\u6570\uff0c\u8ba1\u7b97\u5176\u5e73\u65b9\u5e76\u8fd4\u56de\u7ed3\u679c\u3002result \u53d8\u91cf\u5b58\u50a8\u4e86\u8fd4\u56de\u7684\u503c\uff0c\u7136\u540e\u5c06\u5176\u6253\u5370\u5230\u63a7\u5236\u53f0\u4e2d\u3002<\/p>\n
\u6ce8\u610f\uff1a<\/strong><\/p>\n
    \n
  • \u5982\u679c\u51fd\u6570\u6ca1\u6709\u660e\u786e\u4f7f\u7528 return \u8bed\u53e5\uff0c\u5219\u9ed8\u8ba4\u8fd4\u56de undefined\u3002<\/li>\n
  • \u4e00\u4e2a\u51fd\u6570\u53ea\u80fd\u8fd4\u56de\u4e00\u4e2a\u503c\u3002\u8981\u8fd4\u56de\u591a\u4e2a\u503c\uff0c\u8bf7\u4f7f\u7528\u5bf9\u8c61\u6216\u6570\u7ec4\u3002<\/li>\n
  • \u53ef\u4ee5\u4f7f\u7528\u70b9\u53f7\u8fd0\u7b97\u7b26\uff08.\uff09\u8bbf\u95ee\u8fd4\u56de\u7684\u5bf9\u8c61\u6216\u6570\u7ec4\u7684\u5c5e\u6027\u6216\u5143\u7d20\u3002<\/li>\n<\/ul>\n
    \u603b\u7ed3<\/strong><\/p>\n
      \n
    • \u4f7f\u7528 return \u8bed\u53e5\u53ef\u4ee5\u5728 JavaScript \u51fd\u6570\u4e2d\u8fd4\u56de\u503c\u3002<\/li>\n
    • \u8fd4\u56de\u7684\u503c\u53ef\u4ee5\u662f\u4efb\u4f55 JavaScript \u6570\u636e\u7c7b\u578b\u3002<\/li>\n
    • \u5982\u679c\u51fd\u6570\u6ca1\u6709\u660e\u786e\u8fd4\u56de\uff0c\u5219\u9ed8\u8ba4\u8fd4\u56de undefined\u3002<\/li>\n<\/ul>\n
      \u4ee5\u4e0a\u5c31\u662fjs\u5982\u4f55\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":"
      \u5728 javascript \u4e2d\uff0c\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528 return \u8bed\u53e5\u8fd4\u56de\u503c\uff0c\u8be5\u503c\u53ef\u4ee5\u662f\u4efb\u4f55 javascript \u6570\u636e\u7c7b\u578b\uff0c\u4f8b\u5982\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u3001\u5bf9\u8c61\u6216\u6570\u7ec4\u3002\u5982\u679c\u51fd\u6570\u6ca1\u6709\u660e\u786e\u8fd4\u56de\uff0c\u5219\u9ed8\u8ba4\u8fd4\u56de undefined\u3002 \u51fd\u6570\u8fd4\u56de\u503c \u5728 JavaScript \u4e2d\uff0c\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528 return \u8bed\u53e5\u8fd4\u56de\u503c\u3002 \u8bed\u6cd5 function nameOfFunction() { \/\/ \u51fd\u6570\u4f53 return value; } \u767b\u5f55\u540e\u590d\u5236 \u5de5\u4f5c\u539f\u7406 \u5f53\u4e00\u4e2a\u51fd\u6570\u9047\u5230 return \u8bed\u53e5\u65f6\uff0c\u5b83\u4f1a\u7acb\u5373\u505c\u6b62\u6267\u884c\u5e76\u8fd4\u56de\u6307\u5b9a\u7684\u503c\u3002\u8be5\u503c\u53ef\u4ee5\u662f\u4efb\u4f55 JavaScript \u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\u539f\u59cb\u7c7b\u578b\uff08\u5982\u6570\u5b57\u6216\u5b57\u7b26\u4e32\uff09\u3001\u5bf9\u8c61\u6216\u6570\u7ec4\u3002 \u793a\u4f8b function square(num) { return num * num; } const result = square(5); console.log(result); \/\/ \u8f93\u51fa: 25 \u767b\u5f55\u540e\u590d\u5236 \u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0csquare \u51fd\u6570\u63a5\u53d7\u4e00\u4e2a\u6570\u5b57\u4f5c\u4e3a\u53c2\u6570\uff0c\u8ba1\u7b97\u5176\u5e73\u65b9\u5e76\u8fd4\u56de\u7ed3\u679c\u3002result \u53d8\u91cf\u5b58\u50a8\u4e86\u8fd4\u56de\u7684\u503c\uff0c\u7136\u540e\u5c06\u5176\u6253\u5370\u5230\u63a7\u5236\u53f0\u4e2d\u3002 \u6ce8\u610f\uff1a \u5982\u679c\u51fd\u6570\u6ca1\u6709\u660e\u786e\u4f7f\u7528 return \u8bed\u53e5\uff0c\u5219\u9ed8\u8ba4\u8fd4\u56de […]<\/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-3148","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3148","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=3148"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/3148\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=3148"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=3148"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=3148"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}