{"compress":true,"commitItems":[["f8ea24db-cf1a-4fc2-9e13-a663e647281e",1553221570508,"---\nlayout:     post\ntitle:      ES6计算属性\nsubtitle:   \ndate:       2019-03-14\nauthor:     Song\nheader-img: img/post-bg-coding.jpg\ncatalog: true\ntags:\n    - ES6 计算属性\n---\n\n",[[1553221513200,["Administrator@PC-20181117PMVI",[[-1,74,"14"]],[76,76],[74,74]]],[1553221513603,["Administrator@PC-20181117PMVI",[[1,74,"22"]],[74,74],[76,76]]],[1553221518250,["Administrator@PC-20181117PMVI",[[-1,33,"ES6计算属性"]],[40,40],[33,33]]],[1553221524860,["Administrator@PC-20181117PMVI",[[1,33,"prototypeh"]],[33,33],[43,43]]],[1553221525407,["Administrator@PC-20181117PMVI",[[-1,42,"h"]],[43,43],[42,42]]],[1553221526661,["Administrator@PC-20181117PMVI",[[1,42,"合"]],[42,42],[43,43]]],[1553221527717,["Administrator@PC-20181117PMVI",[[-1,42,"合"]],[43,43],[42,42]]],[1553221533365,["Administrator@PC-20181117PMVI",[[1,42,"和__proto__"]],[42,42],[52,52]]],[1553221537934,["Administrator@PC-20181117PMVI",[[-1,167,"ES6 计算属性"],[1,175,"p"]],[167,175],[168,168]]],[1553221543325,["Administrator@PC-20181117PMVI",[[1,168,"rototype __proto__"]],[168,168],[186,186]]],[1553221546265,["Administrator@PC-20181117PMVI",[[1,191,"1.  **prototype** 是函数(function) 的一个属性, 它指向函数的原型.\n2.  **__proto__** 是对象的内部属性, 它指向构造器的原型, 对象依赖它进行原型链查询.\n\n由上, **prototype** 只有函数才有, 其他(非函数)对象不具有该属性. 而 **__proto__** 是对象的内部属性, 任何对象都拥有该属性."]],[191,191],[374,374]]]],null,"Administrator@PC-20181117PMVI"],["57586e30-ec8a-4077-9428-135d7a044bbf",1553225634824,"---\nlayout:     post\ntitle:      prototype和__proto__\nsubtitle:   \ndate:       2019-03-22\nauthor:     Song\nheader-img: img/post-bg-coding.jpg\ncatalog: true\ntags:\n    - prototype __proto__\n---\n1.  **prototype** 是函数(function) 的一个属性, 它指向函数的原型.\n2.  **__proto__** 是对象的内部属性, 它指向构造器的原型, 对象依赖它进行原型链查询.\n\n由上, **prototype** 只有函数才有, 其他(非函数)对象不具有该属性. 而 **__proto__** 是对象的内部属性, 任何对象都拥有该属性.\n",[[1553225613399,["Administrator@PC-20181117PMVI",[[1,375,"\n"]],[374,374],[375,375]]],[1553225629744,["Administrator@PC-20181117PMVI",[[1,375,"![1]($resource/1.png)\n![2]($resource/2.png)\n"]],[375,375],[419,419]]],[1553225731135,["Administrator@PC-20181117PMVI",[[1,375,"\n"]],[374,374],[375,375]]],[1553225745553,["Administrator@PC-20181117PMVI",[[-1,208," "],[1,209," "],[-1,257," "],[1,258," "],[-1,297," "],[1,298," "],[-1,311," "],[1,312," "],[-1,338," "],[1,339," "],[-1,352," "],[1,353," "],[1,375,"function Person(){}"]],[375,375],[394,394]]],[1553225748939,["Administrator@PC-20181117PMVI",[[1,390," "]],[390,390],[391,391]]],[1553225749705,["Administrator@PC-20181117PMVI",[[1,393," "]],[393,393],[394,394]]],[1553225751753,["Administrator@PC-20181117PMVI",[[1,397,"\n"]],[396,396],[397,397]]],[1553225756813,["Administrator@PC-20181117PMVI",[[1,397,"let person = 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__lookupGetter__: ƒ __lookupGetter__()\n11.  __lookupSetter__: ƒ __lookupSetter__()\n12.  get __proto__: ƒ __proto__()\n13.  set __proto__: ƒ __proto__()"]],[427,427],[962,962]]],[1553225810330,["Administrator@PC-20181117PMVI",[[-1,427,"1.  constructor: ƒ Person(name)\n2.  __proto__:\n\n1.  constructor: ƒ Object()\n2.  hasOwnProperty: ƒ hasOwnProperty()\n3.  isPrototypeOf: ƒ isPrototypeOf()\n4.  propertyIsEnumerable: ƒ propertyIsEnumerable()\n5.  toLocaleString: ƒ toLocaleString()\n6.  toString: ƒ toString()\n7.  valueOf: ƒ valueOf()\n8.  __defineGetter__: ƒ __defineGetter__()\n9.  __defineSetter__: ƒ __defineSetter__()\n10.  __lookupGetter__: ƒ __lookupGetter__()\n11.  __lookupSetter__: ƒ __lookupSetter__()\n12.  get __proto__: ƒ __proto__()\n13.  set 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**__proto__** 是对象的内部属性, 它指向构造器的原型, 对象依赖它进行原型链查询.\n\n由上, **prototype** 只有函数才有, 其他(非函数)对象不具有该属性. 而 **__proto__** 是对象的内部属性, 任何对象都拥有该属性.\n```\nfunction Person () {}\nlet person = new Person()\n```\n\n\n\n",[[1553226178342,["Administrator@PC-20181117PMVI",[[1,432,"![1]($resource/1.png)"]],[432,432],[454,454]]],[1553226185367,["Administrator@PC-20181117PMVI",[[-1,434,"1"]],[435,435],[434,434]]],[1553226187584,["Administrator@PC-20181117PMVI",[[1,434,"Pser"]],[434,434],[438,438]]],[1553226188355,["Administrator@PC-20181117PMVI",[[-1,435,"ser"]],[438,438],[435,435]]],[1553226192123,["Administrator@PC-20181117PMVI",[[1,435,"erson.prototype"]],[435,435],[450,450]]],[1553226196268,["Administrator@PC-20181117PMVI",[[1,470,"\n"]],[469,469],[470,470]]],[1553226199265,["Administrator@PC-20181117PMVI",[[1,470,"![2]($resource/2.png)\n"]],[470,470],[492,492]]],[1553226203252,["Administrator@PC-20181117PMVI",[[-1,472,"2"]],[473,473],[472,472]]],[1553226211778,["Administrator@PC-20181117PMVI",[[1,472,"Person__proto__"]],[472,472],[487,487]]],[1553226216392,["Administrator@PC-20181117PMVI",[[1,478,"!"]],[478,478],[479,479]]],[1553226217837,["Administrator@PC-20181117PMVI",[[-1,478,"!"]],[479,479],[478,478]]],[1553226220991,["Administrator@PC-20181117PMVI",[[1,478," 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__proto__ 原型 原型链\n---\n1.  **prototype** 是函数(function) 的一个属性, 它指向函数的原型.\n2.  **__proto__** 是对象的内部属性, 它指向构造器的原型, 对象依赖它进行原型链查询.\n\n由上, **prototype** 只有函数才有, 其他(非函数)对象不具有该属性. 而 **__proto__** 是对象的内部属性, 任何对象都拥有该属性.\n```\nfunction Person () {}\nlet person = new Person()\n```\n\n![Person.prototype]($resource/1.png)\n\n![Person__proto__]($resource/2.png)\n\n",[[1553497713200,["Administrator@PC-20181117PMVI",[[1,485," . 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