{"id":92791,"date":"2020-03-20T06:47:23","date_gmt":"2020-03-19T22:47:23","guid":{"rendered":"http:\/\/4563.org\/?p=92791"},"modified":"2020-03-20T06:47:23","modified_gmt":"2020-03-19T22:47:23","slug":"%e9%97%ae%e4%b8%80%e4%b8%aa-es6-%e4%bd%9c%e7%94%a8%e5%9f%9f%e7%9a%84%e9%97%ae%e9%a2%98","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=92791","title":{"rendered":"\u95ee\u4e00\u4e2a ES6 \u4f5c\u7528\u57df\u7684\u95ee\u9898"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u95ee\u4e00\u4e2a ES6 \u4f5c\u7528\u57df\u7684\u95ee\u9898               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : jingcoco <\/span>  <span><i><\/i> 27<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<pre><code>var value = 1;  var foo = {   value: 2,   bar: function () {     return this.value;   } }  \/\/\u793a\u4f8b 1 console.log(foo.bar()); \/\/\u793a\u4f8b 2 console.log((foo.bar)()); <\/code><\/pre>\n<p>\u4e3a\u4ec0\u4e48\u8fd9\u4e24\u4e2a\u7ed3\u679c\u4e00\u6837.\u8001\u611f\u89c9\u7b2c\u4e8c\u4e2a\u7ed3\u679c\u662f value=1 \u8fd9\u4e2a<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>35<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"984436\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : TabGre <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             1. this \u7684\u9690\u5f0f\u7ed1\u5b9a<br \/>2. this \u7684\u9690\u5f0f\u7ed1\u5b9a\u56de\u9000\u4e3a\u9ed8\u8ba4\u7ed1\u5b9a\uff0c\u975e\u4e25\u683c\u6a21\u5f0f\u4e0b this \u4e3a global(window)                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984437\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : salamanderMH <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             foo.bar \u8fd9\u4e2a\u5c5e\u6027\u5c31\u662f\u4e00\u4e2a\u51fd\u6570\uff0c\u8fd9\u4e24\u79cd\u5199\u6cd5\u4e00\u6837\u7684\uff0cthis \u8fd8\u662f\u6307\u5411 foo \u7684\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984438\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : TabGre <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @TabGre LOL\uff0c\u5ffd\u7565\u6211\u7684\u56de\u7b54\uff0c\u6211\u4e5f\u6ca1\u6709\u5b8c\u5168\u641e\u660e\u767d\u3002dog                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984439\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : daquandiao2 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             ff = foo.bar<\/p>\n<p>ff()                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984440\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : YuxiangLuo <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             let x = foo.bar;<br \/>console.log(x());<br \/>\u8fd9\u6837\u5c31\u662f 1<\/p>\n<p>\u53ef\u80fd\u662f\u56e0\u4e3a foo.bar \u4e0e(foo.bar)\u662f\u540c\u4e00\u4e2a reference\uff0c\u800c x \u662f\u590d\u5236\u7684 reference                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984441\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : TabGre <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @daquandiao2 \u8fd9\u6837\u662f\u4e0d\u662f\u5c31\u6253\u5370\u4e3a 1 \u4e86\u5462\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984442\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : amaranthf <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4f60\u8fd9\u4e2a\u662f\u8fd0\u7b97\u7b26\u4f18\u5148\u7ea7\u95ee\u9898\uff0c\u4e0d\u662f\u4f5c\u7528\u57df\u95ee\u9898\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984443\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wunonglin <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4f60\u628a<br \/>bar: function () {<br \/> return this.value;<br \/> }<br \/>\u6362\u6210<br \/> bar: () =&gt; {<br \/> return this.value;<br \/> }<br \/>\u6709\u60ca\u559c                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984444\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : jingcoco <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u521a\u624d\u641c\u7d22\u4e86\u4e00\u4e0b ,\u53c8\u6655\u4e86&#8230; <br \/>&#8220;`<br \/>(false|| foo.bar)() <\/p>\n<p>&#8220;`<br \/>\u8fd9\u6837\u7ed3\u679c\u5c31\u662f 1 \u4e86&#8230;..                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984445\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : jingcoco <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @wunonglin \u4f60\u8fd9\u4e2a\u6211\u77e5\u9053\u4e3a\u4ec0\u4e48, \u7bad\u5934\u51fd\u6570\u7684\u4f5c\u7528\u57df\u662f\u6267\u884c\u73af\u5883\u7684.                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984446\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : iNaru <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @jingcoco \u5b9e\u4f8b 2 \u4e2d\u62ec\u53f7\u4e2d\u7684(foo.bar)\u8fd4\u56de\u7684\u662f\u5f15\u7528\uff0c(false|| foo.bar)\u7684\u5219\u662f\u6216\u8fd0\u7b97\u7684\u7ed3\u679c                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984447\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : weikexin <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div> <img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/05\/20200519_5ec44bc8f282b.png\" rel=\"noreferrer\" alt=\"\u95ee\u4e00\u4e2a ES6 \u4f5c\u7528\u57df\u7684\u95ee\u9898\"><\/p>\n<p> <img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/05\/20200519_5ec44bcca5fd9.png\" rel=\"noreferrer\" alt=\"\u95ee\u4e00\u4e2a ES6 \u4f5c\u7528\u57df\u7684\u95ee\u9898\"> <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984448\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : max21 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @jingcoco false|| foo.bar \u7684\u8fd0\u7b97\u7ed3\u679c\u5c31\u662f function () {return this.value;}\uff0c\u7136\u540e\u6267\u884c\u8fd9\u4e2a\u51fd\u6570\uff0cthis \u6307\u5411\u4ec0\u4e48\u5bf9\u8c61\u662f\u518d\u51fd\u6570\u88ab\u8c03\u7528\u65f6\u624d\u786e\u5b9a\u7684\uff0c\u8fd9\u91cc\u6ca1\u6709\u4f7f\u7528 foo.bar \u8c03\u7528\uff0c\u6240\u4ee5 this \u6307\u5411\u5168\u5c40\u5bf9\u8c61                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984449\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : ming61177 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u770b\u4e0d\u51fa\u8ddf ES6 \u6709\u4ec0\u4e48\u5173\u7cfb                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984450\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : kuanng <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u6709\u70b9\u610f\u601d\u3002\u6211\u7684\u7b2c\u4e00\u76f4\u89c9\u4e5f\u662f value=1                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984451\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : vivipure <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u548c\u4f5c\u7528\u57df\u6ca1\u5173\u7cfb\uff0c\u4e3b\u8981\u662f Reference \u6ca1\u53d8                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984452\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : TabGre <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u7bad\u5934\u51fd\u6570\u7684 this \u4e0d\u662f\u8c03\u7528\u786e\u5b9a\uff0c\u800c\u662f lexical \u786e\u5b9a\u7684\u628a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984453\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : DowneyLam <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u8ddf Reference \u6709\u5173 \u4f60\u53ef\u4ee5\u770b\u770b\u8fd9\u7bc7\u6587\u7ae0 https:\/\/github.com\/mqyqingfeng\/Blog\/issues\/7                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984454\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : ironMan1995 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4f60\u9019\u554f\u984c\u5c31\u548c(function() {})() \u8207 (function(){}())\u6709\u4ec0\u9ebd\u5340\u5225\u3002\u4f60\u9019\u5169\u500b\u5be6\u4f8b\u90fd\u662f\u4f5c\u7232 foo \u5c0d\u8c61\u7684\u65b9\u6cd5\u8abf\u7528\u7684 this \u6307\u5411 foo\uff0c\u60f3\u8981 this \u6307\u5411\u5168\u5c40\u7684 value,\u5c07 foo.bar \u8ce6\u503c\u7d66\u4e00\u500b\u5168\u5c40\u8b8a\u91cf\u7136\u5f8c\u57f7\u884c\u3002var bar = foo.bar; bar(); \/\/1 \u6216\u8005\u4f7f\u7528\u7bad\u982d\u51fd\u6578                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984455\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Hoshinokozo <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u7ed3\u679c\u4e00\u6837\u4e0d\u662f\u6b63\u5e38\u7684\u5417\uff1f\u8fd9\u4e24\u79cd\u5199\u6cd5\u90fd\u662f\u4e00\u4e2a\u610f\u601d\uff0c\u7ed3\u679c\u90fd\u662f\u8c03\u7528 bar \u51fd\u6570\uff0c\u6ca1\u641e\u61c2\u7591\u60d1\u7684\u70b9\u5728\u54ea                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984456\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : morethansean <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @Hoshinokozo #20<br \/>\u6211\u611f\u89c9\u4e3b\u8bf4\u5f97\u591f\u6e05\u695a\u4e86\u5427\uff0c\u4e3b\u8981\u8fd8\u662f\u6ca1\u5f04\u6e05\u695a `(1, foo.bar)()` \u548c `(foo.bar)()` \u7684\u533a\u522b\u3002\u4e0b\u7684\u89e3\u91ca\u4e5f\u86ee\u597d\u7684\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984457\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Hoshinokozo <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @morethansean \u989d\uff0c\u8fd8\u662f\u6ca1\u770b\u61c2\u3002\u3002\u3002\u76f2\u731c\u4e3b\u662f\u6ca1\u641e\u61c2\u62ec\u53f7\u7684\u4f5c\u7528\u5417\uff1f(foo.bar)()\u548c(foo.bar())\u6548\u679c\u662f\u4e00\u6837\u7684\uff0cJS \u91cc\u62ec\u53f7\u7684\u4f5c\u7528\u65e0\u975e\u5c31\u662f\u8c03\u7528\u51fd\u6570\u548c\u63d0\u5347\u4f18\u5148\u7ea7\uff0c\u5e76\u4e14\u5c06\u62ec\u53f7\u5185\u7684\u5185\u5bb9\u4f5c\u4e3a\u8868\u8fbe\u5f0f\u89e3\u6790\uff0c\u4e24\u79cd\u60c5\u51b5\u6700\u7ec8\u90fd\u662f\u8c03\u7528 bar \u51fd\u6570\uff0c\u4f5c\u4e3a foo \u7684\u6210\u5458\u51fd\u6570\uff0cthis \u81ea\u7136\u6307\u5411 foo \u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984458\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : onfuns <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u7b80\u5355\u7406\u89e3\uff0c\u8c01\u8c03\u7528\u5219 this \u5c31\u6307\u5411\u8c01\uff0cconsole.log((foo.bar)())\u8fd9\u91cc\u7684(foo.bar)\u662f\u5bf9 foo.bar \u6ca1\u6709\u8ba1\u7b97\u8fc7\uff0c\u4e5f\u5c31\u662f\u8fd9\u4e2a()\u5176\u5b9e\u662f\u65e0\u6548\u7684\u7b49\u540c\u4e8e foo.bar                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984459\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : otakustay <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u548c ES6 \u6ca1\u5173\u7cfb\uff0c()\u8fd0\u7b97\u7b26\u91cc\u9762\u53ea\u6709\u4e00\u4e2a\u4e1c\u897f\u7684\u65f6\u5019\uff0c\u76f8\u5f53\u4e8e\u4e0d\u5b58\u5728                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984460\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : jingcoco <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @wunonglin @TabGre \u55ef,\u6211\u8bf4\u9519\u4e86.\u91cd\u65b0\u8bf4\u4e00\u4e0b<br \/>&#8220;`<br \/>const obj = {<br \/> name: &#8216;Jerry&#8217;,<br \/> greet: ()=&gt;( {<br \/> console.log(this.name)<br \/> })<br \/>}<br \/>obj.greet.call(obj) \/\/ \u7bad\u5934\u51fd\u6570\u7684\u8bdd\u56e0\u4e3a\u6ca1\u6709 this \u6240\u4ee5 call \u8c03\u7528\u65e0\u7528<br \/>&#8220;`                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984461\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : cxe2v <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @jingcoco \u7bad\u5934\u51fd\u6570\u7684 this \u6c38\u8fdc\u6307\u5411\u5b9a\u4e49\u8fd9\u4e2a\u51fd\u6570\u65f6\u5b83\u7684\u5916\u90e8\u73af\u5883\u7684 this \u6307\u5411\u7684\u5bf9\u8c61\u4e14\u4e0d\u80fd\u518d\u80cc\u66f4\u6539\uff0c\u4f60\u8fd9\u91cc\u5199\u7684 this \u6307\u5411\u4e86 window\uff0cwindow \u6ca1\u6709 name \u5c5e\u6027\uff0c\u6240\u4ee5\u4f1a\u8fd4\u56de\u7a7a\u5b57\u7b26\u4e32                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984462\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : zhengjian <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @weikexin \u7b2c\u4e09\u95ee\u5e94\u8be5\u662f javascript \u7684\u8bed\u53e5\u662f\u6709\u8fd4\u56de\u503c\u7684\uff0c\u5728 Console \u91cc\u6267\u884c\u8bed\u53e5\u8fd4\u56de\u7684 undefined \u6216\u5176\u4ed6 \u5c31\u662f\u8bed\u53e5\u7684\u8fd4\u56de\u503c\u3002\u8d4b\u503c\u8868\u8fbe\u5f0f\u7684\u8fd4\u56de\u503c\u5c31\u662f\u8d4b\u7ed9\u7684\u503c\u3002<\/p>\n<p> (foo.bar = foo.bar)() <\/p>\n<p>\u76f8\u5f53\u4e8e <\/p>\n<p>var bar = (foo.bar = foo.bar)<br \/>bar()<\/p>\n<p>\u4e5f\u5c31\u76f8\u5f53\u4e8e<\/p>\n<p>var bar = foo.bar<br \/>bar()<\/p>\n<p> this \u6307\u5411 window<\/p>\n<p>(foo.bar = foo.bar)() -&gt; 10<br \/>\u4e4b\u540e\uff0c\u518d<br \/>foo.bar() -&gt; 20                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984463\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : TabGre <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @jingcoco \u7bad\u5934\u4e0d\u662f\u6ca1\u6709 this\uff0c\u7bad\u5934\u51fd\u6570\u5c31\u7ed1\u5b9a\u4e86\u8bcd\u6cd5\u65f6\u7684 this\uff0c\u672c\u6765\u662f this \u662f\u8c03\u7528\u65f6\u51b3\u5b9a\uff0c\u7bad\u5934\u51fd\u6570\u5728\u8bcd\u6cd5\u65f6\u5c31\u51b3\u5b9a\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984464\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : hyy1995 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u8fd9\u79cd\u9898\u2026\u4e00\u822c\u6765\u8bf4\uff0c\u90fd\u662f\u81ea\u5df1\u7f16\u4e2a\u60f3\u6cd5\u6765\u9a97\u81ea\u5df1\u2026                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984465\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : loading <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             es6 \u5c45\u7136\u4f1a\u770b\u5230 var \u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984466\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : jingcoco <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @TabGre \u4f60\u8bf4\u7684\u6709\u9053\u7406\u5427\u3002\u3002\u3002\u3002\u4f46\u662f\u6ca1\u770b\u61c2\u3002\u3002\u3002\u4ece\u4f60\u7684\u7528\u8bcd\u611f\u89c9\u662f\u4ece\u903b\u8f91\u7684\u5c42\u6b21\u6216\u662f\u7f16\u8bd1\u5668\u7684\u89d2\u5ea6\u4e0a\u53bb\u8bb2\u7684\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984467\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : TabGre <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @jingcoco \u63a8\u8350\u770b You don\u2019t know JS yet                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984468\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : rodjl <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u53ef\u4ee5\u770b\u4e0b\u8fd9\u4e2a http:\/\/dmitrysoshnikov.com\/ecmascript\/chapter-3-this\/                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984469\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : zhzbql <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5173\u952e\u8bcd Reference , Reference.base ; GetValue; [[call]], thisArgument; [[ThisMode]]                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"984470\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : ssshooter <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @Hoshinokozo \u8fd9\u6837\u7406\u89e3\u786e\u5b9e\u53ef\u4ee5<br \/>\u62ec\u53f7\u53ea\u7528\u4e8e\u6539\u53d8\u4f18\u5148\u7ea7\u6ca1\u6709\u5176\u4ed6\u4efb\u4f55\u529f\u80fd\uff0c\u81f3\u4e8e(false|| foo.bar)()\u53c8\u662f 1 \u662f`||`\u7684\u9505                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u95ee\u4e00\u4e2a ES6 \u4f5c\u7528\u57df\u7684\u95ee\u9898 \u8cc7\u6df1&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/92791"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=92791"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/92791\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=92791"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=92791"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=92791"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}