{"id":1679,"date":"2024-11-10T12:41:15","date_gmt":"2024-11-10T04:41:15","guid":{"rendered":"https:\/\/fwq.ai\/blog\/1679\/"},"modified":"2024-11-10T12:41:15","modified_gmt":"2024-11-10T04:41:15","slug":"javascript-%e4%b8%ad%e7%9a%84%e5%b5%8c%e5%a5%97%e5%87%bd%e6%95%b0%ef%bc%9a%e5%a6%82%e4%bd%95%e7%90%86%e8%a7%a3%e5%85%b6%e4%bd%9c%e7%94%a8%e5%9f%9f%e5%92%8c%e6%bd%9c%e5%9c%a8%e7%9a%84%e9%a3%8e%e9%99%a9","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/1679\/","title":{"rendered":"JavaScript \u4e2d\u7684\u5d4c\u5957\u51fd\u6570\uff1a\u5982\u4f55\u7406\u89e3\u5176\u4f5c\u7528\u57df\u548c\u6f5c\u5728\u7684\u98ce\u9669\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173053372456084.jpg\" class=\"aligncenter\" title=\"JavaScript \u4e2d\u7684\u5d4c\u5957\u51fd\u6570\uff1a\u5982\u4f55\u7406\u89e3\u5176\u4f5c\u7528\u57df\u548c\u6f5c\u5728\u7684\u98ce\u9669\uff1f\u63d2\u56fe\" alt=\"JavaScript \u4e2d\u7684\u5d4c\u5957\u51fd\u6570\uff1a\u5982\u4f55\u7406\u89e3\u5176\u4f5c\u7528\u57df\u548c\u6f5c\u5728\u7684\u98ce\u9669\uff1f\u63d2\u56fe\" \/><\/p>\n<p>\u5d4c\u5957\u51fd\u6570function() {}<\/p>\n<p>\u51fd\u6570\u4e2d\u5d4c\u5957\u51fd\u6570\u5728 javascript \u4e2d\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u505a\u6cd5\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre>function namea() {\n\u3000\u3000function nameb() {\n\u3000\u3000}\n}<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u8be5\u8bed\u6cd5\u4e2d\uff0cnamea \u662f\u5916\u90e8\u51fd\u6570\uff0c\u800c nameb \u662f\u5d4c\u5957\u5728 namea \u5185\u90e8\u3002\u867d\u7136 javascript \u4e2d\u51fd\u6570\u7684\u5d4c\u5957\u4e0d\u53d7\u9650\u5236\uff0c\u4f46\u5b83\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u5bfc\u81f4\u547d\u540d\u7a7a\u95f4\u51b2\u7a81\u3002<\/p>\n<p>\u5d4c\u5957\u51fd\u6570\u7684\u597d\u5904\u5728\u4e8e\u5b83\u53ef\u4ee5\u8bbf\u95ee\u5916\u5c42\u51fd\u6570\u5185\u7684\u53d8\u91cf\u548c\u53c2\u6570\uff0c\u8fd9\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u548c\u9ad8\u6548\u3002\u4f8b\u5982\uff1a<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<pre>function calculateArea(radius) {\n  function getCircumference() {\n    return 2 * Math.PI * radius;\n  }\n\n  return Math.PI * radius ** 2;\n}\n\nconsole.log(calculateArea(5)); \/\/ 78.54<\/pre>\n<p> \u767b\u5f55\u540e\u590d\u5236 <\/p>\n<p>\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5d4c\u5957\u51fd\u6570 getcircumference \u53ef\u4ee5\u8bbf\u95ee\u5176\u5916\u90e8\u51fd\u6570 calculatearea \u4e2d\u7684 radius \u53d8\u91cf\u3002<\/p>\n<p>\u7136\u800c\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5d4c\u5957\u51fd\u6570\u4f1a\u7ee7\u627f\u5176\u5916\u90e8\u51fd\u6570\u7684\u6267\u884c\u73af\u5883\uff0c\u5305\u62ec\u53d8\u91cf\u3001\u53c2\u6570\u548c this \u5173\u952e\u5b57\u3002\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u610f\u5916\u884c\u4e3a\uff0c\u56e0\u6b64\u5efa\u8bae\u8c28\u614e\u4f7f\u7528\u5d4c\u5957\u51fd\u6570\uff0c\u7279\u522b\u662f\u5f53\u6d89\u53ca\u5230\u5f02\u6b65\u64cd\u4f5c\u65f6\u3002<\/p>\n<p>\u4ee5\u4e0a\u5c31\u662fJavaScript \u4e2d\u7684\u5d4c\u5957\u51fd\u6570\uff1a\u5982\u4f55\u7406\u89e3\u5176\u548c\u6f5c\u5728\u7684\u98ce\u9669\uff1f\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>\u5d4c\u5957\u51fd\u6570function() {} \u51fd\u6570\u4e2d\u5d4c\u5957\u51fd\u6570\u5728 javascript \u4e2d\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u505a\u6cd5\uff0c\u8bed\u6cd5\u5982\u4e0b\uff1a function namea() { \u3000\u3000function nameb() { \u3000\u3000} } \u767b\u5f55\u540e\u590d\u5236 \u5728\u8be5\u8bed\u6cd5\u4e2d\uff0cnamea \u662f\u5916\u90e8\u51fd\u6570\uff0c\u800c nameb \u662f\u5d4c\u5957\u5728 namea \u5185\u90e8\u3002\u867d\u7136 javascript \u4e2d\u51fd\u6570\u7684\u5d4c\u5957\u4e0d\u53d7\u9650\u5236\uff0c\u4f46\u5b83\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u53ef\u80fd\u5bfc\u81f4\u547d\u540d\u7a7a\u95f4\u51b2\u7a81\u3002 \u5d4c\u5957\u51fd\u6570\u7684\u597d\u5904\u5728\u4e8e\u5b83\u53ef\u4ee5\u8bbf\u95ee\u5916\u5c42\u51fd\u6570\u5185\u7684\u53d8\u91cf\u548c\u53c2\u6570\uff0c\u8fd9\u4f7f\u5f97\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u548c\u9ad8\u6548\u3002\u4f8b\u5982\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b function calculateArea(radius) { function getCircumference() { return 2 * Math.PI * radius; } return Math.PI * radius ** 2; } console.log(calculateArea(5)); \/\/ 78.54 \u767b\u5f55\u540e\u590d\u5236 \u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u5d4c\u5957\u51fd\u6570 getcircumference \u53ef\u4ee5\u8bbf\u95ee\u5176\u5916\u90e8\u51fd\u6570 calculatearea \u4e2d\u7684 radius \u53d8\u91cf\u3002 [&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-1679","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1679","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=1679"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/1679\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=1679"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=1679"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=1679"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}