{"id":684,"date":"2017-08-07T20:59:48","date_gmt":"2017-08-07T12:59:48","guid":{"rendered":"http:\/\/loveuhouse.cn\/wordpress\/?p=684"},"modified":"2017-08-07T20:59:48","modified_gmt":"2017-08-07T12:59:48","slug":"js-%e6%a8%a1%e6%8b%9f%e7%b1%bb%ef%bc%8c-%e7%bb%a7%e6%89%bf","status":"publish","type":"post","link":"https:\/\/loveuhouse.cn\/wordpress\/?p=684","title":{"rendered":"js \u6a21\u62df\u7c7b\uff0c \u7ee7\u627f"},"content":{"rendered":"<pre class=\"lang:js decode:true\">\nvar initializing = false, fnTest = \/xyz\/.test(function() { xyz; }) ? \/\\b_super\\b\/ : \/.*\/;\n    \/\/\u6784\u9020\u57fa\u7c7b\n    this.jaClass = function() {};\n    jaClass.extend = function(props){\n        var _super = this.prototype;\n        initializing = true;\n        var prototype = new this();\n        initializing = false;\n\n        for (var name in props){\n            \/\/\u8fd9\u4e00\u6bb5\u662f\u8d4b\u503c\u5230prototype\u4e2d\uff0c\u8fd0\u7528\u4e09\u5143\u8fd0\u7b97\u7b26\u7684\u65b9\u5f0f\u5f88\u7075\u6d3b\n            \/\/\u6ee1\u8db3\u51fd\u6570\u7684\u6761\u4ef6\u4f5c\u4e3a\u51fd\u6570\u63d2\u5165\u5230prototype\u4e2d\n            prototype[name] = typeof props[name] ==\"function\" &&\n            typeof _super[name] == \"function\" && fnTest.test(props[name]) ?\n                (function(name, fn) {\n                    return function(){\n                        var tmp = this._super;\n                        this._super = _super[name];\n                        var ret = fn.apply(this, arguments);\n                        this._super = tmp;\n                        return ret;\n                    };\n                })(name, props[name]) :\n                props[name]\n        }\n\n        function Class(){\n            if(!initializing && this.ctor)\n                this.ctor.apply(this, arguments);\n        }\n\n        \/\/\u5b50\u7c7bprototype\u6307\u5411\u7236\u7c7b\u7684\u5b9e\u4f8b\uff0c\u7ee7\u627f\u7684\u5173\u952e\n        Class.prototype = prototype ;\n        Class.prototype.constructor = Class;\n        \/\/\u5b50\u7c7b\u81ea\u52a8\u83b7\u5f97extend\u65b9\u6cd5\uff0carguments.callee \u6307\u5411\u5f53\u524d\u6b63\u5728\u6267\u884c\u7684\u51fd\u6570\n        Class.extend = arguments.callee;\n        return Class;\n    };\n\n<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>var initializing = false, fnTest = \/xyz\/.test(function( &hellip; <a href=\"https:\/\/loveuhouse.cn\/wordpress\/?p=684\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">js \u6a21\u62df\u7c7b\uff0c \u7ee7\u627f<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/loveuhouse.cn\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/684"}],"collection":[{"href":"https:\/\/loveuhouse.cn\/wordpress\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/loveuhouse.cn\/wordpress\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/loveuhouse.cn\/wordpress\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/loveuhouse.cn\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=684"}],"version-history":[{"count":2,"href":"https:\/\/loveuhouse.cn\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/684\/revisions"}],"predecessor-version":[{"id":686,"href":"https:\/\/loveuhouse.cn\/wordpress\/index.php?rest_route=\/wp\/v2\/posts\/684\/revisions\/686"}],"wp:attachment":[{"href":"https:\/\/loveuhouse.cn\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=684"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/loveuhouse.cn\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=684"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/loveuhouse.cn\/wordpress\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=684"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}