{"id":12321,"date":"2023-11-28T22:50:05","date_gmt":"2023-11-28T14:50:05","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=12321"},"modified":"2023-11-29T23:09:12","modified_gmt":"2023-11-29T15:09:12","slug":"javascript-zhongjavascript-ru-he-shi-xian-ji-cheng","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/javascript-zhongjavascript-ru-he-shi-xian-ji-cheng\/","title":{"rendered":"JavaScript \u4e2d Javascript \u5982\u4f55\u5b9e\u73b0\u7ee7\u627f\uff1f"},"content":{"rendered":"

\u5728 JavaScript \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5b9e\u73b0\u7ee7\u627f\uff1a<\/p>\n

    \n
  1. \n

    \u539f\u578b\u94fe\u7ee7\u627f<\/strong>\uff1a\u4f7f\u7528 prototype<\/code> \u5c5e\u6027\u5b9e\u73b0\u7b80\u5355\u7684\u7ee7\u627f\u5173\u7cfb\uff0c\u5b50\u7c7b\u7684\u539f\u578b\u6307\u5411\u7236\u7c7b\u7684\u5b9e\u4f8b\u3002<\/p>\n

    function Parent() {\n    \/\/ \u7236\u7c7b\u6784\u9020\u51fd\u6570\n}\n\nfunction Child() {\n    \/\/ \u5b50\u7c7b\u6784\u9020\u51fd\u6570\n}\n\nChild.prototype = new Parent(); \/\/ \u5b50\u7c7b\u539f\u578b\u6307\u5411\u7236\u7c7b\u5b9e\u4f8b\n<\/code><\/pre>\n
    \u8fd9\u79cd\u7ee7\u627f\u65b9\u5f0f\u5b58\u5728\u7f3a\u70b9\uff0c\u5b50\u7c7b\u5171\u4eab\u7236\u7c7b\u539f\u578b\u4e0a\u7684\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u5c5e\u6027\u6c61\u67d3\u548c\u65b9\u6cd5\u8986\u76d6\u7684\u95ee\u9898\u3002<\/p>\n<\/li>\n
  2. \n
    \u6784\u9020\u51fd\u6570\u7ee7\u627f\uff08\u501f\u7528\u6784\u9020\u51fd\u6570\uff09<\/strong>\uff1a\u5728\u5b50\u7c7b\u6784\u9020\u51fd\u6570\u4e2d\u8c03\u7528\u7236\u7c7b\u6784\u9020\u51fd\u6570\u3002<\/p>\n
    function Parent(name) {\n    this.name = name;\n}\n\nfunction Child(name) {\n    Parent.call(this, name); \/\/ \u501f\u7528\u7236\u7c7b\u6784\u9020\u51fd\u6570\n}\n<\/code><\/pre>\n
    \u8fd9\u79cd\u65b9\u5f0f\u53ef\u4ee5\u89e3\u51b3\u539f\u578b\u94fe\u7ee7\u627f\u4e2d\u5c5e\u6027\u5171\u4eab\u7684\u95ee\u9898\uff0c\u4f46\u65e0\u6cd5\u7ee7\u627f\u7236\u7c7b\u539f\u578b\u4e0a\u7684\u65b9\u6cd5\u3002<\/p>\n<\/li>\n
  3. \n
    \u7ec4\u5408\u7ee7\u627f<\/strong>\uff1a\u7ed3\u5408\u539f\u578b\u94fe\u7ee7\u627f\u548c\u6784\u9020\u51fd\u6570\u7ee7\u627f\uff0c\u5229\u7528\u539f\u578b\u94fe\u5b9e\u73b0\u65b9\u6cd5\u7684\u7ee7\u627f\uff0c\u901a\u8fc7\u6784\u9020\u51fd\u6570\u5b9e\u73b0\u5c5e\u6027\u7684\u7ee7\u627f\u3002<\/p>\n
    function Parent(name) {\n    this.name = name;\n}\nParent.prototype.sayHello = function() {\n    console.log(`Hello, I'm ${this.name}`);\n};\n\nfunction Child(name) {\n    Parent.call(this, name); \/\/ \u7ee7\u627f\u7236\u7c7b\u5c5e\u6027\n}\nChild.prototype = new Parent(); \/\/ \u7ee7\u627f\u7236\u7c7b\u65b9\u6cd5\n<\/code><\/pre>\n<\/li>\n
  4. \n
    ES6 \u7684 class \u548c extends<\/strong>\uff1aES6 \u5f15\u5165\u4e86 class \u548c extends \u5173\u952e\u5b57\uff0c\u66f4\u76f4\u89c2\u5730\u5b9e\u73b0\u4e86\u7c7b\u548c\u7ee7\u627f\u3002<\/p>\n
    class Parent {\n    constructor(name) {\n        this.name = name;\n    }\n}\n\nclass Child extends Parent {\n    constructor(name) {\n        super(name); \/\/ \u8c03\u7528\u7236\u7c7b\u6784\u9020\u51fd\u6570\n    }\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
    ES6 \u7684 class \u548c extends \u63d0\u4f9b\u4e86\u66f4\u6e05\u6670\u548c\u7b80\u6d01\u7684\u8bed\u6cd5\u6765\u5b9e\u73b0\u7ee7\u627f\uff0c\u800c\u4f20\u7edf\u7684\u539f\u578b\u94fe\u7ee7\u627f\u3001\u6784\u9020\u51fd\u6570\u7ee7\u627f\u548c\u7ec4\u5408\u7ee7\u627f\u7b49\u65b9\u5f0f\u5219\u662f\u5728 ES6 \u4e4b\u524d\u7684\u5e38\u89c1\u5b9e\u73b0\u65b9\u6cd5\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5728 JavaScript \u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5b9e\u73b0\u7ee7\u627f\uff1a \u539f\u578b\u94fe\u7ee7\u627f\uff1a\u4f7f\u7528 prototype \u5c5e\u6027\u5b9e\u73b0\u7b80\u5355\u7684 […]<\/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-12321","post","type-post","status-publish","format-standard","hentry","category-javascript"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12321","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=12321"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12321\/revisions"}],"predecessor-version":[{"id":13577,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/12321\/revisions\/13577"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=12321"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=12321"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=12321"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}