{"id":11887,"date":"2023-11-28T22:36:37","date_gmt":"2023-11-28T14:36:37","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11887"},"modified":"2023-11-30T18:26:51","modified_gmt":"2023-11-30T10:26:51","slug":"javascript-zhong-tong-guonew-chuang-jian-yi-ge-dui","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/javascript-zhong-tong-guonew-chuang-jian-yi-ge-dui\/","title":{"rendered":"JavaScript \u4e2d\u901a\u8fc7 new \u521b\u5efa\u4e00\u4e2a\u5bf9\u8c61\u7684\u65f6\u5019\uff0c\u51fd\u6570\u5185\u90e8\u6709\u54ea\u4e9b\u6539\u53d8\uff1f"},"content":{"rendered":"<p>\u5f53\u4f7f\u7528 <code>new<\/code> \u5173\u952e\u5b57\u521b\u5efa\u4e00\u4e2a\u5bf9\u8c61\u5b9e\u4f8b\u65f6\uff0c\u51fd\u6570\u5185\u90e8\u53d1\u751f\u4ee5\u4e0b\u6539\u53d8\uff1a<\/p>\n<ol>\n<li>\n<p><strong>\u521b\u5efa\u65b0\u5bf9\u8c61\uff1a<\/strong> \u4f7f\u7528 <code>new<\/code> \u5173\u952e\u5b57\u8c03\u7528\u51fd\u6570\u65f6\uff0c\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u7a7a\u5bf9\u8c61\u3002<\/p>\n<\/li>\n<li>\n<p><strong>this \u6307\u5411\uff1a<\/strong> \u51fd\u6570\u5185\u90e8\u7684 <code>this<\/code> \u6307\u5411\u65b0\u521b\u5efa\u7684\u5bf9\u8c61\u5b9e\u4f8b\uff0c\u5141\u8bb8\u51fd\u6570\u8bbf\u95ee\u548c\u64cd\u4f5c\u8be5\u5bf9\u8c61\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\u3002<\/p>\n<\/li>\n<li>\n<p><strong>\u9690\u5f0f\u8fd4\u56de\uff1a<\/strong> \u5982\u679c\u6784\u9020\u51fd\u6570\u6ca1\u6709\u663e\u5f0f\u5730\u8fd4\u56de\u4e00\u4e2a\u5bf9\u8c61\uff0c\u5219\u4f1a\u9690\u5f0f\u8fd4\u56de <code>this<\/code> \u6307\u5411\u7684\u65b0\u5bf9\u8c61\u3002<\/p>\n<\/li>\n<\/ol>\n<p>\u4f8b\u5982\uff1a<\/p>\n<pre><code class=\"language-javascript\">function Person(name, age) {\n  this.name = name;\n  this.age = age;\n}\n\nconst person = new Person('Alice', 25);\nconsole.log(person); \/\/ \u8f93\u51fa Person { name: 'Alice', age: 25 }\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c<code>new Person('Alice', 25)<\/code> \u521b\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684 <code>Person<\/code> \u5bf9\u8c61\u5b9e\u4f8b\u3002\u5728\u6784\u9020\u51fd\u6570 <code>Person<\/code> \u5185\u90e8\uff0c<code>this<\/code> \u6307\u5411\u65b0\u521b\u5efa\u7684\u5bf9\u8c61\uff0c\u5c5e\u6027 <code>name<\/code> \u548c <code>age<\/code> \u88ab\u8d4b\u4e88\u4e86\u76f8\u5e94\u7684\u503c\uff0c\u6700\u7ec8\u8fd4\u56de\u4e86\u8fd9\u4e2a\u65b0\u521b\u5efa\u7684\u5bf9\u8c61\u5b9e\u4f8b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u4f7f\u7528 new \u5173\u952e\u5b57\u521b\u5efa\u4e00\u4e2a\u5bf9\u8c61\u5b9e\u4f8b\u65f6\uff0c\u51fd\u6570\u5185\u90e8\u53d1\u751f\u4ee5\u4e0b\u6539\u53d8\uff1a \u521b\u5efa\u65b0\u5bf9\u8c61\uff1a \u4f7f\u7528 new \u5173\u952e\u5b57\u8c03\u7528\u51fd\u6570\u65f6 [&hellip;]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[115],"tags":[],"class_list":["post-11887","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11887","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=11887"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11887\/revisions"}],"predecessor-version":[{"id":13630,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11887\/revisions\/13630"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11887"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11887"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11887"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}