{"id":192766,"date":"2020-11-15T08:07:29","date_gmt":"2020-11-15T00:07:29","guid":{"rendered":"http:\/\/4563.org\/?p=192766"},"modified":"2020-11-15T08:07:29","modified_gmt":"2020-11-15T00:07:29","slug":"javascript-%e6%9c%89%e6%b2%a1%e6%9c%89%e5%8a%9e%e6%b3%95%e5%bd%93%e6%9f%a5%e8%af%a2%e6%9f%90%e5%af%b9%e8%b1%a1%e4%b8%8d%e5%ad%98%e5%9c%a8%e6%9f%90%e5%b1%9e%e6%80%a7%e6%97%b6%e8%bf%94%e5%9b%9e%e4%b8%80","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=192766","title":{"rendered":"JavaScript \u6709\u6ca1\u6709\u529e\u6cd5\u5f53\u67e5\u8be2\u67d0\u5bf9\u8c61\u4e0d\u5b58\u5728\u67d0\u5c5e\u6027\u65f6\u8fd4\u56de\u4e00\u4e2a\u9ed8\u8ba4\u503c\uff1f"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  JavaScript \u6709\u6ca1\u6709\u529e\u6cd5\u5f53\u67e5\u8be2\u67d0\u5bf9\u8c61\u4e0d\u5b58\u5728\u67d0\u5c5e\u6027\u65f6\u8fd4\u56de\u4e00\u4e2a\u9ed8\u8ba4\u503c\uff1f               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : black11black <\/span>  <span><i><\/i> 0<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<p>\u5982\u9898\uff0c\u9700\u8981\u5b9e\u73b0\u7684\u529f\u80fd\u662f\u6211\u6709\u67d0\u5bf9\u8c61 A\uff0c\u7a0b\u5e8f\u4e2d\u8c03\u7528 A \u65f6\u4f1a\u4e0d\u53ef\u9884\u671f\u5730\u8bbf\u95ee\u5176\u5c5e\u6027\uff0c\u800c\u8fd9\u4e2a\u5c5e\u6027\u4ed6\u4e0d\u4e00\u5b9a\u6709\u3002\u53ef\u5426\u5b9e\u73b0\u5f53\u8bbf\u95ee A \u6ca1\u6709\u7684\u5c5e\u6027\u65f6\uff0c\u8c03\u7528\u67d0\u4e2a\u51fd\u6570\uff0c\u7ed9\u4ed6\u751f\u6210\u4e00\u4e2a\u52a8\u6001\u7684\u8fd4\u56de\u503c\u3002<\/p>\n<p>\u5c31\u662f\u7c7b\u4f3c\u50cf java \u7684 @value \u548c python \u7684\u9b54\u672f\u65b9\u6cd5\u90a3\u6837\u7684\u529f\u80fd\uff0cjs \u6709\u529e\u6cd5\u5b9e\u73b0\u5417\uff0c\u5bfb\u4e00 js \u5927\u4f6c\uff0c\u8c22\u8c22\u3002<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>20<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"4171305\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Cbdy <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             Proxy                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171306\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Mutoo <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4f7f\u7528\u4ee3\u7406\u5bf9\u8c61\uff0c\u53ef\u4ee5\u62e6\u622a get \u65b9\u6cd5\uff0c\u52a0\u5165\u4f60\u9700\u8981\u7684\u903b\u8f91\u3002<\/p>\n<p>https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/JavaScript\/Reference\/Global_Objects\/Proxy                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171307\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : jingcoco <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u9ebb\u70e6\u7684\u4e00\u70b9\u7684\u662f\uff1a\u81ea\u5df1\u5199\u4e2a\u65b9\u6cd5\u4e0d\u5c31\u884c\u4e86\u3002 <br \/>\u4ee3\u7801\u597d\u770b\u4e00\u70b9\u7684\u8bdd\uff0c\u53ef\u4ee5\u67e5\u67e5 js \u7684 get set\uff0c\u5c01\u88c5\u4e00\u4e0b<br \/>\u5176\u4ed6\u7684\u4f30\u8ba1\u5f97\u7528\u5230 babel                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171308\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : murmur <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u8fd9\u5c31\u662f\u88ab\u8bed\u6cd5\u7cd6\u9650\u5236\u4e86\u601d\u8def\uff0c\u4f60\u76f4\u63a5\u5199\u4e00\u4e2a getSomeValue \u65b9\u6cd5\u4e0d\u5c31\u5b8c\u4e86\uff0c\u53d6\u5c5e\u6027\u90fd\u8c03\u7528\u8fd9\u4e2a\uff0c\u60f3\u600e\u4e48\u6539\u600e\u4e48\u6539                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171309\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : rodrick <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             user?.name === undefined ? \u52a8\u6001\u7684\u8fd4\u56de\u503c :user.name <\/p>\n<p>https:\/\/developer.mozilla.org\/zh-CN\/docs\/Web\/JavaScript\/Reference\/Operators\/%E5%8F%AF%E9%80%89%E9%93%BE                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171310\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : xiangyuecn <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             js \u76ee\u6d4b\u662f\u6700\u7b80\u5355\uff0c\u4ee3\u7801\u6700\u7b80\u6d01\uff0c\u56e0\u4e3a\u53d6\u503c\u53ef\u4ee5\u5199\u7684\u592a\u968f\u610f\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171311\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : mcfog <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @xiangyuecn \u4efb\u610f\u975e\u9759\u6001\u5f3a\u7c7b\u578b\u8bed\u8a00\uff08\u4e5f\u5c31\u662f\u5e03\u5c14\u4ee5\u5916\u7684\u503c\u80fd\u7528\u6765\u505a\u903b\u8f91\u8fd0\u7b97\uff09\u3001 \u903b\u8f91\u8fd0\u7b97\u662f\u77ed\u8def\u6c42\u503c\u7684\uff08\u51e0\u4e4e\u6240\u6709\uff09 \u90fd\u53ef\u4ee5\u5b9e\u73b0\u4e00\u6837\u7684\u4e8b\u60c5\uff0c\u6ca1\u6709\u4f8b\u5916\u3002<\/p>\n<p>\u771f\u60f3\u5439\u751c\u5ea6\u597d\u6b79\u62ff optional chaining \u6765\u804a                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171312\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : free9fw <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             obj?.xxx ?? &#8216;default value&#8217;                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171313\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : xiangyuecn <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @mcfog #7 \u90a3\u4e48\uff0c\u8bf7\u76f4\u63a5\u8bf4\u51fa\u54ea\u79cd\u8bed\u8a00                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171314\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : taro0822 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             proxy +1                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171315\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wenzichel <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @free9fw #8 \u6b63\u89e3                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171316\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : tyx1703 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u53ef\u80fd\u4f60\u9700\u8981\u8fd9\u4e2a\uff1a https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/JavaScript\/Reference\/Operators\/Logical_nullish_assignment<\/p>\n<p>foo?.bar??exp;                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171317\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : yaphets666 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             es2020 \u4e3a\u4e86\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898 \u63d0\u51fa\u4e86\u4e0a\u7684\u8fd9\u79cd\u8bed\u6cd5 <br \/>\u73b0\u5728\u4e00\u822c\u7a0b\u5e8f\u4e2d\u662f\u8fd9\u6837\u5199 if(a.b&amp;&amp;a.b.c&amp;&amp;a.b.c.d) {&#8230;.}                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171318\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : SmallTeddy <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u8fd9\u91cc\u56de\u590d\u4e00\u4e0b proxy \u662f es6 \u65b0\u589e\u7684\u539f\u751f \u53ef\u4ee5\u8bbe\u7f6e\u62e6\u622a\u5668 \u8bbe\u7f6e\u5728 prototype \u4e0a \u8be6\u60c5\u53ef\u4ee5\u53c2\u8003\u962e\u4e00\u5cf0\u5199\u7684 es6\u2014\u2014https:\/\/es6.ruanyifeng.com\/#docs\/proxy                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171319\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : DOLLOR <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4e0d\u77e5\u9053\u4f60\u5bf9\u201c\u539f\u751f\u65b9\u6cd5\u201d\u5b9a\u4e49\u662f\u5565\uff0c\u4f46 JS \u5df2\u7ecf\u6709\u8fd9\u79cd\u8bed\u6cd5\u4e86\uff1a<br \/>aa?.bb?.cc?dd ?? defaultValue<\/p>\n<p>\u5f53\u7136\u4f60\u53ef\u4ee5\u7528 lodash\uff1a<br \/>_.get(aa, &#8216;bb.cc.dd&#8217;, defaultValue)<\/p>\n<p>\u65b9\u6cd5\u5df2\u7ecf\u544a\u8bc9\u4f60\u4e86\uff0c\u201c\u8c03\u7528\u67d0\u4e2a\u51fd\u6570\uff0c\u7ed9\u4ed6\u751f\u6210\u4e00\u4e2a\u52a8\u6001\u7684\u8fd4\u56de\u503c\u201d\u8fd9\u79cd\u9700\u6c42\u5c31\u4e0d\u7528\u6211\u6559\u4e86\u5427\u3002                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171320\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : mcfog <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @xiangyuecn \u6240\u4ee5\u6211\u8bf4\u4e86\u9759\u6001\u5f3a\u7c7b\u578b\u4e0d\u884c\uff0c\u7136\u540e\u4f60\u642c\u51fa\u9759\u6001\u5f3a\u7c7b\u578b\u7684 java \u8bf4\u4e0d\u884c\uff0c\u786e\u5b9e\u4e0d\u884c\u554a<\/p>\n<p>\u90a3\u4e48\u6211\u6ee1\u8db3\u4f60\u7684\u5e0c\u671b\u968f\u4fbf\u8bf4\u51e0\u4e2a\u5427<\/p>\n<p>\u5199 python \u7684\u540c\u5b66\uff0c\u81f3\u5c11\u6211\u5728\u586b\u9057\u7559\u8001\u5751\u7684\u65f6\u5019 xx or None \u57fa\u672c\u5199\u5230\u5410\u7684\uff0c(xx or {&#8216;foo&#8217;: None})[&#8216;foo&#8217;] \u4e5f\u80fd\u7528<br \/>\u5199 php \u7684\uff0c\u5728\u8001\u4e00\u70b9\u7684\u65f6\u4ee3\uff0cdefined(&#8216;XX&#8217;) or die \u4e5f\u662f\u5199\u5230\u5410\u7684\uff0c $datasource-&gt;getSomeArray() || []\u4e5f\u662f\u57fa\u672c\u64cd\u4f5c<\/p>\n<p>\u518d\u68b3\u7406\u4e00\u4e0b\uff0c\u4f60\u8bf4\u7684\u7279\u6027\u5176\u5b9e\u53ea\u4f9d\u8d56\u4e8e\u201c\u5e03\u5c14\u4ee5\u5916\u7684\u7c7b\u578b\u53ef\u4ee5\u76f4\u63a5\u53c2\u4e0e\u903b\u8f91\u8fd0\u7b97\uff0c\u5e76\u6709\u5408\u7406\u7684 falsy \u5b9a\u4e49\u201d \u4ee5\u53ca \u201c\u4e0a\u8ff0\u903b\u8f91\u8fd0\u7b97\u7ed3\u679c\u4e3a\u771f\u65f6\u8fd4\u56de\u539f\u59cb\u8f93\u5165\u503c\u800c\u4e0d\u662f true\u201d\uff0c\u8fd9\u4e24\u4ef6\u4e8b\u60c5\u51e0\u4e4e\u4efb\u4f55\u5f31\u7c7b\u578b\u8bed\u8a00\u6216\u8005\u662f\u4f1a\u505a\u52a8\u6001\u63a8\u65ad\u7684\u5f3a\u7c7b\u578b\u8bed\u8a00\u90fd\u662f\u6ee1\u8db3\u7684\uff0c\u6211\u521a\u624d\u5728\u8def\u4e0a\u628a\u540e\u9762\u90a3\u4e2a\u7279\u6027\u8bf4\u6210\u77ed\u8def\u6c42\u503c\u4e86\u662f\u4e0d\u51c6\u786e\u7684\uff0c\u77ed\u8def\u6c42\u503c\u6d89\u53ca\u5230\u7c7b\u4f3c\u7528\u6cd5\u4e2d\u6709\u526f\u4f5c\u7528\u7684\u7528\u6cd5\uff0c\u6362\u6210\u4f60\u559c\u6b22\u7684 js \u7684\u8bdd\u5927\u6982\u5c31\u662f<\/p>\n<p>(await request(&#8216;has_auth&#8217;)) || alert(\u2018\u6ca1\u6709\u6743\u9650\uff01\u2019)<\/p>\n<p>\u8fd9\u4e2a\u6837\u5b50                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171321\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Sunyanzi <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @mcfog \u65e2\u7136\u770b\u5230\u4e86\u6211\u95ee\u4e00\u53e5\u9898\u5916\u548c\u4e3b\u95ee\u9898\u65e0\u5173\u7684 &#8230; \u5173\u4e8e #16 \u7684\u90a3\u4e2a php \u7684\u4f8b\u5b50 &#8230;<\/p>\n<p>defined( &#8216;XX&#8217; ) or die; \u4e0d\u662f\u5e38\u89c4\u64cd\u4f5c\u5417 &#8230; \u7a7a\u53d6\u5e38\u91cf\u6700\u4f4e\u4e5f\u662f\u4e2a warning &#8230; php8 \u91cc\u5347\u5230\u4e86 fatal &#8230;<\/p>\n<p>\u4e5f\u5c31\u662f\u5728\u6211\u7684\u8ba4\u77e5\u91cc &#8230; \u8fd9\u79cd\u5199\u6cd5\u5e76\u4e0d\u662f\u300c\u5728\u8001\u4e00\u70b9\u7684\u65f6\u4ee3\u300d\u624d\u7528 &#8230; \u76f8\u53cd\u5728\u672a\u6765\u80af\u5b9a\u4f1a\u8d8a\u7528\u8d8a\u591a &#8230;<\/p>\n<p>\u6211\u60f3\u4e86\u534a\u5929 &#8230; \u600e\u4e48\u90fd\u89c9\u5f97\u8fd9\u4e0d\u662f\u64cd\u4f5c\u7b26\u80fd\u591f\u538b\u5f97\u4f4f\u7684\u4e8b\u60c5 &#8230;<\/p>\n<p>\u6240\u4ee5\u6211\u60f3\u95ee &#8230; \u662f\u4e0d\u662f\u8bf4\u6709\u4ec0\u4e48\u6211\u4e0d\u77e5\u9053\u7684\u65b9\u5f0f\u53ef\u4ee5\u7b80\u5316\u8fd9\u79cd\u5199\u6cd5 ..?                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171322\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : mcfog <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @Sunyanzi <\/p>\n<p>\uff1f\u989d\u6211\u8bf4\u201c\u5199\u5230\u5410\u201d\u5c31\u662f\u6307\u8fd9\u79cd\u5199\u6cd5\u57fa\u672c\u64cd\u4f5c\uff0c\u4e0d\u662f\u8bf4\u6709\u4ec0\u4e48\u66f4\u597d\u7684\uff0c\u4e0d\u5982\u8bf4\u5c31\u662f\u56e0\u4e3a\u4e00\u4e2a\u5947\u602a\u7684\u8bed\u6cd5\u7cd6\u5374\u6ca1\u5565\u66f4\u597d\u7684\u66ff\u4ee3\u54c1\u6240\u4ee5\u624d\u770b\u5230\u70e6\u2026\u2026<br \/>\u8fd8\u662f\u6211\u6ca1\u7406\u89e3\u5bf9\u4f60\u7684\u7591\u95ee\uff1f<\/p>\n<p>\u5173\u4e8e\u65f6\u4ee3\u65b0\u8001\u7684\u95ee\u9898\uff0c\u4e3b\u8981\u662f\u6162\u6162\u5355\u5165\u53e3\u6846\u67b6\u6216\u8005\u4e0d\u628a\u65e0\u5173\u6587\u4ef6\u653e\u5728 public \u7684\u505a\u6cd5\u66f4\u5e38\u89c1\u4e86\uff0c\u6240\u4ee5\u5c31\u4e0d\u9700\u8981\u8fd9\u53e5\u8bdd\u4e86\uff0ccomposer psr \u7684\u8bdd\u5c31\u66f4\u4e0d\u7528\u4e86\uff0cpsr \u89c4\u5b9a\u4e86\u58f0\u660e\u7c7b\u7684\u6587\u4ef6\u4e0d\u80fd\u6709\u526f\u4f5c\u7528<\/p>\n<p>\u6211\u8bf4\u7684\u662f\u8fd9\u4e2a\u7528\u6cd5\u662f\u7279\u6307\u4ec0\u4e48 IN_DISCUZ \u4e4b\u7c7b\u7684\uff0c\u7528\u4e00\u4e2a\u5e38\u91cf\u5b58\u5728\u6027\u786e\u4fdd\u6587\u4ef6\u4e0d\u88ab webserver \u9519\u8bef\u5730\u6267\u884c\u7684\u7528\u6cd5\uff0c\u5426\u5219\u4e0d\u4f1a or die \u7684\u5427\uff0c\u8fd8\u662f\u4f60\u8bf4\u7684\u4ee5\u540e\u7528\u7684\u66f4\u591a\u662f$x = defined(&#8216;XX&#8217;) or &#8216;default value&#8217;; \u8fd9\u79cd\uff1f \u8fd9\u79cd\u7684\u8bdd\u786e\u5b9e\u968f\u7740\u4e25\u91cd\u7ea7\u522b\u4e0a\u8c03\uff0c\u7528\u7684\u66f4\u591a\u8bf4\u5f97\u901a\u2026\u2026\u867d\u7136\u6211\u662f NOTICE \u5f53 bug \u4fee\u7684\u9009\u624b                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171323\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : across <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             js \u8fd9\u79cd\u8fde\u7eed\u95ee\u53f7\u5012\u662f\u7b80\u6d01\u7684\uff0c\u4e0d\u8fc7\u95ee\u53f7\u592a\u591a\u4e86\uff0c\u603b\u89c9\u5f97\u662f\u5728\u5632\u8bbd\uff08 dota \u540e\u9057\u75c7\uff09                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"4171324\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Sunyanzi <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @mcfog \u6ca1\u6709\u6ca1\u6709 &#8230; \u5e94\u8be5\u662f\u6211\u7406\u89e3\u7684\u95ee\u9898 &#8230; <\/p>\n<p>\u6211\u7684\u4fa7\u91cd\u70b9\u5728\u90a3\u53e5\u300c\u5728\u8001\u4e00\u70b9\u7684\u65f6\u4ee3\u300d &#8230; \u4e5f\u4e0d\u77e5\u9053\u600e\u4e48\u5c31\u4ee5\u4e3a\u662f\u8bf4\u65b0\u7684\u65f6\u4ee3\u5c31\u6709\u66f4\u65b9\u4fbf\u7684\u5199\u6cd5\u4e86 &#8230;<\/p>\n<p>\u539f\u6765\u662f\u8bf4\u65b0\u7684\u65f6\u4ee3\u91cc\u8fd9\u79cd\u5199\u6cd5\u4e0d\u90a3\u4e48\u5e38\u89c1\u4e86 &#8230; \u90a3\u786e\u5b9e\u6ca1\u6bdb\u75c5 &#8230;<\/p>\n<p>\u53e6 &#8230; Notice \u5f53 bug \u4fee\u662f\u6ca1\u9519\u7684 &#8230; error_reporting( E_ALL ); \u662f\u81ea\u4fe1\u5fc3\u548c\u6280\u672f\u529b\u7684\u8868\u73b0 &#8230;                                                            <\/p><\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>JavaScript \u6709\u6ca1\u6709\u529e\u6cd5\u5f53&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\/192766"}],"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=192766"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/192766\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=192766"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=192766"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=192766"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}