{"id":346,"date":"2017-03-08T23:59:14","date_gmt":"2017-03-08T15:59:14","guid":{"rendered":"http:\/\/43.142.23.169\/?p=346"},"modified":"2017-03-08T23:59:14","modified_gmt":"2017-03-08T15:59:14","slug":"you-dont-know-console","status":"publish","type":"post","link":"https:\/\/blog.240996.xyz\/index.php\/2017\/03\/08\/you-dont-know-console\/","title":{"rendered":"\u4f60\u6240\u4e0d\u77e5\u9053\u7684 Console"},"content":{"rendered":"<header class=\"entry-header page-header\">\n<h1 class=\"entry-title page-title\">\u4f60\u6240\u4e0d\u77e5\u9053\u7684 Console<\/h1>\n<div class=\"entry-meta\"><time class=\"entry-date published updated\" datetime=\"2016-10-21T23:02:48+00:00\">2016\u5e7410\u670821\u65e5<\/time> <span class=\"separator\">\/<\/span> 267\u6b21\u6d4f\u89c8<\/div>\n<\/header>\n<div class=\"entry-content clearfix\">\n<h3 id=\"1-\">1.\u51e1\u4eba\u89c6\u89d2<\/h3>\n<h4 id=\"-\">\u6253\u5370\u5b57\u7b26\u4e32<\/h4>\n<p>\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"hljs coffeescript\"><span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">\"I am a \u51e1\u4eba\"<\/span>);\n<\/code><\/pre>\n<h4 id=\"-\">\u6253\u5370\u63d0\u793a\u6d88\u606f<\/h4>\n<p>\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"hljs coffeescript\"><span class=\"hljs-built_in\">console<\/span>.info(<span class=\"hljs-string\">\"Yes, you arm a \u51e1\u4eba\"<\/span>);\n<\/code><\/pre>\n<h4 id=\"-\">\u6253\u5370\u8b66\u544a\u6d88\u606f<\/h4>\n<p>\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"hljs coffeescript\"><span class=\"hljs-built_in\">console<\/span>.warn(<span class=\"hljs-string\">\"\u51e1\u4eba\u4f60\u5c45\u7136\u6562\u7aa5\u89c6\u6211\"<\/span>);\n<\/code><\/pre>\n<h4 id=\"-\">\u6253\u5370\u9519\u8bef\u6d88\u606f<\/h4>\n<p>\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"hljs coffeescript\"><span class=\"hljs-built_in\">console<\/span>.error(<span class=\"hljs-string\">\"\u5929\u5175\u5929\u5c06\uff0c\u628a\u8fd9\u4e2a\u51e1\u4eba\u7ed9\u6211\u6253\u5165\u5730\u72f1\"<\/span>);\n<\/code><\/pre>\n<h4 id=\"-\">\u6253\u5370\u8c03\u8bd5\u4fe1\u606f<\/h4>\n<pre><code class=\"hljs coffeescript\"><span class=\"hljs-built_in\">console<\/span>.debug(<span class=\"hljs-string\">\"\u6211\u5c31\u662f\u4f20\u8bf4\u4e2d\u7684debug\"<\/span>);\n<\/code><\/pre>\n<h3 id=\"2-\">2.\u4e0a\u5e1d\u89c6\u89d2<\/h3>\n<h4 id=\"-\">\u67e5\u770b\u6240\u6709\u65b9\u6cd5<\/h4>\n<p><code>console<\/code> \u9664\u4e86\u4e0a\u9762\u7684\u51e0\u4e2a\u65b9\u6cd5\u8fd8\u6709\u4ec0\u4e48\u65b9\u6cd5\u5462\uff1f<code>log<\/code> \u9664\u4e86\u80fd\u6253\u5370\u5b57\u7b26\u4e32\u5916\uff0c\u8fd8\u80fd\u6253\u5370\u51fa\u5bf9\u8c61\uff0c\u6211\u4eec\u53ef\u4ee5\u5229\u7528<code>console.log<\/code> \u6253\u5370\u81ea\u5df1\u3002<\/p>\n<p>\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"hljs coffeescript\"><span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-built_in\">console<\/span>);\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre><code class=\"hljs css\"><span class=\"hljs-selector-tag\">Object<\/span> {\n    <span class=\"hljs-attribute\">assert<\/span>: ...,\n    clear: ...,\n    count: ...,\n    debug: ...,\n    dir: ...,\n    dirxml: ...,\n    error: ...,\n    group: ...,\n    groupCollapsed: ...,\n    groupEnd: ...,\n    info: ...,\n    log: ...,\n    markTimeline: ...,\n    profile: ...,\n    profileEnd: ...,\n    table: ...,\n    time: ...,\n    timeEnd: ...,\n    timeStamp: ...,\n    timeline: ...,\n    timelineEnd: ...,\n    trace: ...,\n    warn: ...\n}\n<\/code><\/pre>\n<p>\u554a\u54a7\u54a7\uff1f\u600e\u4e48\u8fd9\u4e48\u591a\u65b9\u6cd5\u3002\u5176\u5b9e\u4e0a\u9762\u7684 <code>console<\/code> \u65b9\u6cd5 <code>\u4e0d\u4e00\u5b9a\u6bcf\u4e2a\u6d4f\u89c8\u5668<\/code> \u90fd\u6709\u5b9e\u73b0\uff0c\u6211\u8fd9\u8fb9\u4f7f\u7528\u7684\u662f <code>chrome\u6d4f\u89c8\u5668<\/code> \u3002\u6240\u4ee5\u8bf4\uff0c\u8fd9\u4e2a\u7279\u6027\u662f\u975e\u6807\u51c6\u7684\uff0c\u8bf7\u5c3d\u91cf\u4e0d\u8981\u5728 <code>\u751f\u4ea7\u73af\u5883<\/code> \u4e2d\u4f7f\u7528\u5b83\u3002<\/p>\n<p>\u4f46\u662f\u6211\u4eec\u53ef\u4ee5\u5728 <code>\u5f00\u53d1\u73af\u5883<\/code> \u4e2d\uff0c<code>\u5408\u7406\u7684\u5229\u7528<\/code> \u8fd9\u4e9b\u65b9\u6cd5\u6765\u5e2e\u52a9\u6211\u4eec\u5f00\u53d1\u3002<\/p>\n<h4 id=\"-\">\u6e05\u7406\u63a7\u5236\u53f0<\/h4>\n<p>\u5982\u679c\u6211\u4eec\u5728\u63a7\u5236\u53f0\u8c03\u8bd5\u7684\u65f6\u5019\uff0c\u96be\u514d <code>\u5f3a\u8feb\u75c7<\/code> \u53d1\u4f5c\u60f3\u6e05\u7406\u6389\u5df2\u7ecf\u4e71\u4e03\u516b\u7cdf\u7684\u63a7\u5236\u53f0\u3002\u6d4f\u89c8\u5668\u548c\u547d\u4ee4\u884c <code>clear<\/code> \u4e00\u6837\u63d0\u4f9b\u4e86\u4e00\u4e2a\u6e05\u7406\u51fd\u6570 <code>console.clear()<\/code> \u3002<\/p>\n<pre><code class=\"hljs coffeescript\"><span class=\"hljs-built_in\">console<\/span>.clear()\n<\/code><\/pre>\n<p>\u5f53\u7136\u6211\u4eec\u4e5f\u53ef\u4ee5\u7528 <code>chrome<\/code> \u7684 <code>command line api<\/code> \u6765\u6e05\u7406\u63a7\u5236\u53f0\u3002<\/p>\n<pre><code class=\"hljs\">clear()\n<\/code><\/pre>\n<p>\u53c8\u6216\u8005\u53ef\u4ee5\u4f7f\u7528\u6309\u952eMac\u4e0a <code>cmd + k<\/code> \uff0cWin <code>ctrl + l<\/code>\uff08\u6211\u7528\u7684\u662f<code>chrome\u6d4f\u89c8\u5668<\/code>\uff09\u3002<\/p>\n<h4 id=\"-\">\u5206\u7ec4<\/h4>\n<p>\u5f53\u4ee3\u7801\u975e\u5e38\u957f\uff0c\u6216\u8005\u6211\u4eec\u9700\u8981\u628a\u4e00\u4e2a\u51fd\u6570\uff0c\u6216\u8005\u4e00\u4e2a\u6587\u4ef6\u4e2d\u7684\u51fd\u6570\u7b49\u533a\u5206\u51fa\u6765\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u5206\u7ec4\u6765\u5b9e\u73b0\u3002<\/p>\n<p>\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"hljs coffeescript\"><span class=\"hljs-built_in\">console<\/span>.group(<span class=\"hljs-string\">'\u51e1\u4eba'<\/span>);\n<span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">\"\u624b\"<\/span>);\n<span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">\"\u811a\"<\/span>);\n<span class=\"hljs-built_in\">console<\/span>.groupEnd();\n\n<span class=\"hljs-built_in\">console<\/span>.group(<span class=\"hljs-string\">'\u795e'<\/span>);\n<span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">\"\u6cd5\u529b\u65e0\u8fb9\"<\/span>);\n<span class=\"hljs-built_in\">console<\/span>.log(<span class=\"hljs-string\">\"\u817e\u4e91\u67b6\u96fe\"<\/span>);\n<span class=\"hljs-built_in\">console<\/span>.groupEnd();\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<p>\u5982\u679c\u60f3\u8981\u8f93\u51fa\u4e3a\u6298\u53e0\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>console.groupCollapsed<\/code> \uff0c\u7528\u6cd5\u548c <code>console.group<\/code> \u7c7b\u4f3c\u3002<\/p>\n<h4 id=\"-\">\u67e5\u770b\u5bf9\u8c61\u4fe1\u606f<\/h4>\n<p>\u6709\u65f6\u5019\u6211\u4eec\u9700\u8981\u6253\u5370\u51fa\u5bf9\u8c61\u4fe1\u606f,\u53ef\u4ee5\u4f7f\u7528 <code>console.log<\/code> \u6765\u8fdb\u884c\u7b80\u5355\u7684\u8f93\u51fa\u3002<\/p>\n<p>\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"hljs javascript\"><span class=\"hljs-keyword\">var<\/span> person = {\n    <span class=\"hljs-attr\">head<\/span>: <span class=\"hljs-number\">1<\/span>,\n    <span class=\"hljs-attr\">hand<\/span>: <span class=\"hljs-number\">2<\/span>,\n    <span class=\"hljs-attr\">leg<\/span>: <span class=\"hljs-number\">2<\/span>\n};\n<span class=\"hljs-built_in\">console<\/span>.log(person);\n<\/code><\/pre>\n<p>\u545c\u545c\uff0c\u53ef\u662f\u8fd9\u4e2a\u663e\u793a\u5f97\u597d\u4e11\uff0c\u6211\u4eec\u8fd9\u4e2a\u65f6\u5019\u5c31\u53ef\u4ee5\u4f7f\u7528\u4f20\u8bf4\u4e2d\u7684\u795e\u5668 <code>console.table<\/code> \u6765\u5e2e\u52a9\u6211\u4eec\u6e05\u695a\u7684\u663e\u793a <code>\u5173\u8054\u6570\u7ec4\u4fe1\u606f<\/code>\u3002<\/p>\n<pre><code class=\"hljs javascript\"><span class=\"hljs-keyword\">var<\/span> data = [\n    {\n        <span class=\"hljs-string\">'\u59d3\u540d'<\/span>: <span class=\"hljs-string\">'\u5e7c\u513f\u56ed'<\/span>, \n        <span class=\"hljs-string\">'\u6027\u522b'<\/span>: <span class=\"hljs-string\">'\u5973'<\/span>\n    },\n    {\n        <span class=\"hljs-string\">'\u59d3\u540d'<\/span>: <span class=\"hljs-string\">'\u674e\u72d7\u55e8'<\/span>,\n        <span class=\"hljs-string\">'\u6570\u91cf'<\/span>: <span class=\"hljs-number\">1<\/span>\n    }\n];\n<span class=\"hljs-built_in\">console<\/span>.table(data);\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<p>\u4f46\u662f\u5982\u679c\u60f3\u8981\u770b\u8be6\u7ec6\u7684\u5bf9\u8c61\u4fe1\u606f\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>console.dir<\/code>\uff0c\u5c06\u4e00\u4e2a <code>JavaScript<\/code> \u5bf9\u8c61\u7684\u6240\u6709\u5c5e\u6027\u548c\u5c5e\u6027\u503c\u663e\u793a\u6210\u4e00\u4e2a\u53ef\u4ea4\u4e92\u7684\u5217\u8868\uff0c\u5b83\u8fd8\u80fd\u6253\u5370\u51fa\u51fd\u6570\u7b49\u3002<\/p>\n<pre><code class=\"hljs coffeescript\"><span class=\"hljs-built_in\">console<\/span>.dir(clear);\n<\/code><\/pre>\n<p>\u4ec0\u4e48\uff1f\u4f60\u60f3\u770b\u67d0\u4e2a\u8282\u70b9\u4e2d\u7684html\u4ee3\u7801\uff1f\u6ca1\u4e8b\uff0c\u6211\u4eec\u53ef\u4ee5\u7528 <code>console.dirxml<\/code> \u6765\u67e5\u770b\u9875\u9762\u4e2d\u5bf9\u5e94\u5143\u7d20\u7684 <code>html\/xml<\/code> \u5185\u5bb9\u3002<\/p>\n<p>html\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"hljs xml\"><span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">div<\/span> <span class=\"hljs-attr\">id<\/span>=<span class=\"hljs-string\">'person'<\/span>&gt;<\/span>\n    <span class=\"hljs-tag\">&lt;<span class=\"hljs-name\">p<\/span>&gt;<\/span>I am a \u51e1\u4eba<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">p<\/span>&gt;<\/span>\n<span class=\"hljs-tag\">&lt;\/<span class=\"hljs-name\">div<\/span>&gt;<\/span>\n<\/code><\/pre>\n<p>javascirpt\u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"hljs javascript\"><span class=\"hljs-keyword\">var<\/span> person = <span class=\"hljs-built_in\">document<\/span>.getElementById(<span class=\"hljs-string\">'person'<\/span>);\n<span class=\"hljs-built_in\">console<\/span>.dirxml(person)\uff1b\n<\/code><\/pre>\n<h4 id=\"-\">\u6027\u80fd\u6d4b\u8bd5<\/h4>\n<p>\u96f7\u519b\u7c91\u7c91\u8001\u662f\u559c\u6b22\u8bf4\uff1a\u201c\u4e0d\u670d\uff1f\u8dd1\u4e2a\u5206\u3002\u201d\u6709\u65f6\u5019\uff0c\u6211\u4eec\u4e5f\u9700\u8981\u5bf9\u4ee3\u7801\u8dd1\u4e2a\u5206\u3002\u8fd9\u4e2a\u65f6\u5019\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<code>console.time<\/code>\u548c<code>console.timeEnd<\/code>\uff0c\u4ed6\u4eec\u53ef\u4ee5\u8bb0\u5f55\u4ee3\u7801\u8fd0\u884c\u6240\u82b1\u8d39\u7684\u65f6\u95f4\u3002<\/p>\n<pre><code class=\"hljs javascript\"><span class=\"hljs-built_in\">console<\/span>.time(<span class=\"hljs-string\">\"\u795e\u673a\u5999\u7b97\"<\/span>);\n(<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> () <\/span>{\n    <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">var<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; <span class=\"hljs-number\">10<\/span>; i++) {\n        <span class=\"hljs-keyword\">var<\/span> sum = (<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> () <\/span>{\n            <span class=\"hljs-keyword\">var<\/span> flog = <span class=\"hljs-number\">0<\/span>;\n            <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">var<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; <span class=\"hljs-number\">10<\/span>; i++) {\n                flog+=i;\n            }\n        })();\n    }\n})();\n<span class=\"hljs-built_in\">console<\/span>.timeEnd(<span class=\"hljs-string\">\"\u795e\u673a\u5999\u7b97\"<\/span>);\n<\/code><\/pre>\n<p>\u554a\u54a7\u54a7\uff1f\u4f60\u8fd9\u4e2a\u9876\u591a\u5c31\u662f <code>\u8ba1\u65f6\u5668<\/code> \u600e\u4e48\u80fd\u8bf4\u662f <code>\u6027\u80fd\u6d4b\u8bd5<\/code> \u3002\u5ba2\u5b98\u522b\u6025\uff0c\u6211\u4eec\u8fd9\u8fd8\u6709\u4e00\u4e2a\u53eb\u505a <code>console.profile<\/code> \u548c<code>console.profileEnd<\/code> \u59d0\u59b9\u5462~~<\/p>\n<pre><code class=\"hljs javascript\"><span class=\"hljs-built_in\">console<\/span>.profile(<span class=\"hljs-string\">\"\u795e\u673a\u5999\u7b97\"<\/span>);\n(<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> () <\/span>{\n    <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">var<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; <span class=\"hljs-number\">10<\/span>; i++) {\n        <span class=\"hljs-keyword\">var<\/span> sum = (<span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> () <\/span>{\n            <span class=\"hljs-keyword\">var<\/span> flog = <span class=\"hljs-number\">0<\/span>;\n            <span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">var<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; <span class=\"hljs-number\">10<\/span>; i++) {\n                flog+=i;\n            }\n        })();\n    }\n})();\n<span class=\"hljs-built_in\">console<\/span>.profileEnd(<span class=\"hljs-string\">\"\u795e\u673a\u5999\u7b97\"<\/span>);\n<\/code><\/pre>\n<p>\u8f93\u51fa\u4f1a\u663e\u793a\u5728 <code>profile<\/code><\/p>\n<p>\u4ec0\u4e48\u8fd8\u662f\u4e0d\u591f\uff1f\u4f60\u8fd8\u60f3\u77e5\u9053\u8fd0\u884c\u65f6\u7684\u7ed3\u679c\u6808\uff1f\u53ef\u4ee5\u53ef\u4ee5\uff0c\u6211\u4eec\u8fd9\u8fd8\u6709\u4e00\u4f4d <code>console.trace<\/code> \u54e6\u3002\u4ed6\u53ef\u4ee5\u770b\u900f\u5927\u7237\u4f60\u7684\u4e00\u5c40\u4e00\u52a8\u54e6\u3002 \u4ee3\u7801\uff1a<\/p>\n<pre><code class=\"hljs javascript\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">add<\/span>(<span class=\"hljs-params\">num<\/span>) <\/span>{\n    <span class=\"hljs-keyword\">if<\/span> (<span class=\"hljs-number\">0<\/span> &lt; num) {\n        <span class=\"hljs-built_in\">console<\/span>.trace(<span class=\"hljs-string\">\"\u73b0\u5728num\u7684\u503c\u4e3a\"<\/span>, num);\n        <span class=\"hljs-keyword\">return<\/span> num + add(num - <span class=\"hljs-number\">1<\/span>);\n    } <span class=\"hljs-keyword\">else<\/span> {\n        <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-number\">0<\/span>;\n    }\n}\n\n<span class=\"hljs-keyword\">var<\/span> a =<span class=\"hljs-number\">3<\/span>;\nadd(<span class=\"hljs-number\">3<\/span>);\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<h4 id=\"-\">\u5224\u65ad\u771f\u5047<\/h4>\n<p>\u5e73\u65f6\u6211\u4eec\u5728\u5199\u4ee3\u7801\u662f\u65f6\u5019\uff0c\u7ecf\u5e38\u9700\u8981\u5224\u65ad\u4e00\u4e0b\u5f53\u524d\u503c\u7684\u771f\u5047\u60c5\u51b5\uff0c\u4f7f\u7528if\u6216\u8005\u4e09\u5143\u8868\u8fbe\u5f0f\u6765\u8fbe\u5230\u76ee\u7684\u3002\u6211\u4eec\u73b0\u5728\u4e5f\u53ef\u4ee5\u4f7f\u7528 <code>console.assert<\/code> \u6765\u5224\u65ad\uff0c\u8be5\u65b9\u6cd5\u4f1a\u5728\u6761\u4ef6\u4e3a\u9519\u8bef\u65f6\uff0c\u8fd4\u56de\u4e00\u4e2a <code>console.error<\/code> \u7684\u8f93\u51fa\u3002<\/p>\n<pre><code class=\"hljs coffeescript\"><span class=\"hljs-built_in\">console<\/span>.assert(<span class=\"hljs-number\">1<\/span> == <span class=\"hljs-number\">1<\/span>);\n<span class=\"hljs-built_in\">console<\/span>.assert(<span class=\"hljs-number\">1<\/span> == <span class=\"hljs-number\">0<\/span>);\n<span class=\"hljs-built_in\">console<\/span>.assert(!(<span class=\"hljs-number\">1<\/span> == <span class=\"hljs-number\">0<\/span>));\n<\/code><\/pre>\n<h4 id=\"-\">\u7edf\u8ba1\u6b21\u6570<\/h4>\n<p>\u6709\u65f6\u5019\u6211\u4eec\u9700\u8981\u7edf\u8ba1\u4e00\u4e2a\u51fd\u6570\u6216\u8005\u88ab\u8c03\u7528\u4e86\u51e0\u6b21\uff0c\u6211\u4eec\u901a\u5e38\u4f1a\u589e\u52a0\u4e00\u4e2a\u53d8\u91cf <code>count<\/code> \u6765\u8bb0\u5f55\uff0c\u7136\u540e\u5728\u63a7\u5236\u53f0\u4e2d\u67e5\u770b\u3002\u8fd9\u6837\u76f8\u5f53\u7684\u9ebb\u70e6\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>console.count<\/code> \u51fd\u6570\u6765\u5e2e\u5fd9\u6211\u4eec\u8bb0\u5f55\u6b21\u6570\uff0c\u5e76\u8f93\u51fa\u3002<\/p>\n<pre><code class=\"hljs javascript\"><span class=\"hljs-function\"><span class=\"hljs-keyword\">function<\/span> <span class=\"hljs-title\">hi<\/span>(<span class=\"hljs-params\">name<\/span>) <\/span>{\n    <span class=\"hljs-built_in\">console<\/span>.count(name);\n    <span class=\"hljs-keyword\">return<\/span> <span class=\"hljs-string\">\"hi \"<\/span> + name;\n}\n\n<span class=\"hljs-keyword\">for<\/span>(<span class=\"hljs-keyword\">var<\/span> i = <span class=\"hljs-number\">0<\/span>; i &lt; <span class=\"hljs-number\">10<\/span>; i++) {\n    <span class=\"hljs-keyword\">if<\/span>(i &lt; <span class=\"hljs-number\">4<\/span>) {\n        hi(<span class=\"hljs-string\">\"person\"<\/span>);\n    } <span class=\"hljs-keyword\">else<\/span> {\n        hi(<span class=\"hljs-string\">\"god\"<\/span>);\n    }\n}\n<\/code><\/pre>\n<h3 id=\"-\">\u603b\u7ed3<\/h3>\n<p><code>console<\/code> \u4e2d\u6709\u5f88\u591a\u5bf9\u6211\u4eec\u8c03\u8bd5\u4ee3\u7801\u6709\u5e2e\u52a9\u7684\u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5f00\u53d1\u73af\u5883\u4e2d\u914d\u5408 <code>console<\/code> \u6765\u8c03\u8bd5\u4ee3\u7801\uff0c\u4f7f\u5f97\u6211\u4eec\u6d4b\u8bd5\u66f4\u52a0\u4fbf\u5229\u3002<\/p>\n<\/div>\n<footer class=\"entry-footer\">\n<div class=\"creative-commons\">\n<p>\u6587\u7ae0\u6700\u540e\u7f16\u8f91\u65f6\u95f4\u4e3a: 2016\/10\/21 23:10<\/p>\n<p>\u672c\u6587\u7531 <a href=\"https:\/\/iiong.com\/\">\u6dee\u57ce\u4e00\u53ea\u732b<\/a> \u521b\u4f5c\uff0c\u91c7\u7528 <a href=\"https:\/\/creativecommons.org\/licenses\/by\/4.0\/deed.zh\" target=\"_blank\" rel=\"nofollow\">\u77e5\u8bc6\u5171\u4eab\u7f72\u540d 4.0<\/a>\u56fd\u9645\u8bb8\u53ef\u534f\u8bae\u8fdb\u884c\u8bb8\u53ef<\/p>\n<p>\u53ef\u81ea\u7531\u8f6c\u8f7d\u3001\u5f15\u7528\uff0c\u4f46\u9700\u7f72\u540d\u4f5c\u8005\u4e14\u6ce8\u660e\u6587\u7ae0\u51fa\u5904<\/p>\n<\/div>\n<\/footer>\n","protected":false},"excerpt":{"rendered":"<p>\u4f60\u6240\u4e0d\u77e5\u9053\u7684 Console 2016\u5e7410\u670821\u65e5 \/ 267\u6b21\u6d4f\u89c8 1.\u51e1\u4eba\u89c6\u89d2 \u6253\u5370\u5b57\u7b26\u4e32 \u4ee3\u7801\uff1a co [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":738,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-346","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-exp"],"_links":{"self":[{"href":"https:\/\/blog.240996.xyz\/index.php\/wp-json\/wp\/v2\/posts\/346","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.240996.xyz\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.240996.xyz\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.240996.xyz\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.240996.xyz\/index.php\/wp-json\/wp\/v2\/comments?post=346"}],"version-history":[{"count":0,"href":"https:\/\/blog.240996.xyz\/index.php\/wp-json\/wp\/v2\/posts\/346\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.240996.xyz\/index.php\/wp-json\/wp\/v2\/media?parent=346"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.240996.xyz\/index.php\/wp-json\/wp\/v2\/categories?post=346"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.240996.xyz\/index.php\/wp-json\/wp\/v2\/tags?post=346"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}