{"id":159570,"date":"2020-09-24T08:47:32","date_gmt":"2020-09-24T00:47:32","guid":{"rendered":"http:\/\/4563.org\/?p=159570"},"modified":"2020-09-24T08:47:32","modified_gmt":"2020-09-24T00:47:32","slug":"js-%e7%9a%84%e5%8f%98%e9%87%8f%e6%8f%90%e5%8d%87%e6%96%b9%e9%9d%a2%e7%9a%84%e9%97%ae%e9%a2%98%e6%b1%82%e8%a7%a3","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=159570","title":{"rendered":"js \u7684\u53d8\u91cf\u63d0\u5347\u65b9\u9762\u7684\u95ee\u9898\u6c42\u89e3"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  js \u7684\u53d8\u91cf\u63d0\u5347\u65b9\u9762\u7684\u95ee\u9898\u6c42\u89e3               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : rodrick <\/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<pre><code>  if (true) {     function a() {}     a=1     console.log('in',a);\/\/ in 1   }   console.log('out',a);\/\/ out f a(){} <\/code><\/pre>\n<pre><code>  if (true) {     a=1     function a() {}     console.log('in',a);\/\/ in 1   }   console.log('out',a);\/\/ out 1 <\/code><\/pre>\n<p>\u6211\u7684\u7406\u89e3\u4e0a function a() {}\u90fd\u5e94\u8be5\u63d0\u5347\u5230\u6700\u4e0a\u9762\uff0c\u7136\u540e\u518d\u6267\u884c a=1\uff0c\u4f46\u662f\u4e3a\u4ec0\u4e48\u4e24\u6b21\u7684 out \u7684\u7ed3\u679c\u4f1a\u4e0d\u4e00\u6837\uff0c\u7b2c\u4e00\u6b21\u7684 out \u7684 a \u662f\u4ec0\u4e48\u65f6\u5019\u88ab\u8d4b\u503c\u4e3a f a(){}\u7684\uff0c\u7b2c\u4e8c\u6b21\u7684 out \u53c8\u662f\u4ec0\u4e48\u65f6\u5019\u88ab\u8d4b\u503c\u4e3a 1 \u7684\uff0c\u548c if{}\u5757\u6709\u4ec0\u4e48\u5173\u7cfb\u4e48<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>3<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"3436575\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : 9tao <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u8fd9\u79cd\u5199\u6cd5\u662f\u9519\u8bef\u7684\u3002ES5 \u7684\u89c4\u8303\uff0c\u4e0d\u5f97\u5728\u975e\u51fd\u6570\u7684\u4ee3\u7801\u5757\u4e2d\u58f0\u660e\u51fd\u6570\uff0c\u4e25\u683c\u6a21\u5f0f\u4e0b\u4f1a\u76f4\u63a5\u629b\u51fa\u9519\u8bef\uff0c\u975e\u4e25\u683c\u6a21\u5f0f\u4e0b\u4e0d\u540c\u6d4f\u89c8\u5668\u8868\u73b0\u53ef\u80fd\u90fd\u4e0d\u4e00\u6837\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"3436576\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : rodrick <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @9tao \u539f\u6765\u662f\u9519\u7684\u554a                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"3436577\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : 9tao <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @rodrick \u5386\u53f2\u95ee\u9898\uff0c\u8fd9\u79cd\u573a\u666f\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528\u51fd\u6570\u8868\u8fbe\u5f0f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>js \u7684\u53d8\u91cf\u63d0\u5347\u65b9\u9762\u7684\u95ee\u9898\u6c42\u89e3 \u8cc7&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\/159570"}],"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=159570"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/159570\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=159570"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=159570"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=159570"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}