{"id":308,"date":"2018-12-20T01:35:16","date_gmt":"2018-12-19T17:35:16","guid":{"rendered":"https:\/\/wp.winter-weng.cc\/work\/?p=308"},"modified":"2018-12-20T01:35:16","modified_gmt":"2018-12-19T17:35:16","slug":"ch-5-%e7%af%84%e7%96%87%e7%9a%84-closure","status":"publish","type":"post","link":"https:\/\/wp.winter-weng.cc\/work\/?p=308","title":{"rendered":"Ch. 5 \u7bc4\u7587\u7684 Closure"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_75 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u986f\u793a\/\u96b1\u85cf\u5167\u5bb9\u76ee\u9304\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=308\/#%E9%A0%93%E6%82%9F\" >\u9813\u609f<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=308\/#%E5%9F%BA%E6%9C%AC%E4%BA%8B%E5%AF%A6\" >\u57fa\u672c\u4e8b\u5be6<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=308\/#%E7%8F%BE%E5%9C%A8%E6%88%91%E8%83%BD%E7%9C%8B%E5%88%B0%E4%BA%86\" >\u73fe\u5728\u6211\u80fd\u770b\u5230\u4e86<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=308\/#%E8%BF%B4%E5%9C%88%E8%88%87_Closure\" >\u8ff4\u5708\u8207 Closure<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=308\/#%E6%A8%A1%E7%B5%84\" >\u6a21\u7d44<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=308\/#%E7%8F%BE%E4%BB%A3%E6%A8%A1%E7%B5%84\" >\u73fe\u4ee3\u6a21\u7d44<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=308\/#%E6%9C%AA%E4%BE%86%E6%A8%A1%E7%B5%84\" >\u672a\u4f86\u6a21\u7d44<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=308\/#%E8%A4%87%E7%BF%92\" >\u8907\u7fd2<\/a><\/li><\/ul><\/nav><\/div>\n\n<p style=\"background-color:#fbdee6\" class=\"has-background\">\u53cd\u9ad8\u6f6e (Anticlimactic)\uff1a\u901a\u5e38\u7528\u4f5c\u5f62\u5bb9\u5728\u96fb\u5f71\uff0c\u7576\u5287\u60c5\u767c\u5230\u6700\u5f8c\u7684\u9ad8\u5cf0\uff0c\u8981\u89e3\u6c7a\u89d2\u8272\u885d\u7a81\u6642\uff0c\u537b\u6c92\u6709\u51fa\u73fe\u89c0\u773e\u6240\u671f\u5f85\u7684\u6232\u5287\u6027\u9ad8\u6f6e\uff0c\u4f7f\u89c0\u773e\u611f\u5230\u5931\u671b\u7684\u60c5\u7bc0\u8a2d\u8a08\u6548\u679c\u3002<\/p>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E9%A0%93%E6%82%9F\"><\/span><strong>\u9813\u609f<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p style=\"background-color:#fbdee6\" class=\"has-background\"><strong>\u5206\u4eab\u95dc\u65bc Closure \u7684\u7d93\u9a57\uff1f<\/strong><br \/>\u81ea\u5df1\u9047\u904e\u7684\u60c5\u6cc1\u662f\uff0c\u524d\u516c\u53f8\u8ab2\u7a0b\u4e2d\u6709\u6587\u6cd5\u8aaa\u660e\uff0c\u6703\u4ee5\u97f3\u6a94\u642d\u914d\u52d5\u756b\u5448\u73fe\uff0c\u8cc7\u6599\u578b\u614b\u662f Array\uff0c\u5305\u542b\u6587\u6848\u548c\u986f\u793a\u6642\u9593\uff0c\u4f5c\u6cd5\u4f7f\u7528\u57fa\u672c\u7684 for \u8ff4\u5708\u5de1\u5217\uff0c\u4e26\u7b49\u5f85\u7d66\u5b9a\u7684\u79d2\u6578\u5f8c\u4f9d\u5e8f\u986f\u793a\u3002\u5f62\u6210\u4e86\u4e00\u500b for \u5305\u4f4f setTimeout \u7684\u72c0\u6cc1\uff0c\u5982\u679c\u6c92\u6709\u7528\u9589\u5305\u5c07\u72c0\u614b\u5b58\u8d77\u4f86\uff0c\u5c31\u6c92\u8fa6\u6cd5\u5448\u73fe\u6b63\u78ba\u7684\u7d50\u679c\u3002<\/p>\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%9F%BA%E6%9C%AC%E4%BA%8B%E5%AF%A6\"><\/span><strong>\u57fa\u672c\u4e8b\u5be6<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p class=\"has-text-color has-vivid-red-color\">Closure \u662f\u51fd\u5f0f\u8a18\u5f97\u4e26\u5b58\u53d6\u5176\u8a9e\u5f59\u7bc4\u7587\u7684\u80fd\u529b\uff0c\u751a\u81f3\u7576\u51fd\u5f0f\u662f\u5728\u8a9e\u5f59\u7bc4\u7587\u4e4b\u5916\u57f7\u884c\u6642\uff0c\u4e5f\u80fd\u6b63\u5e38\u904b\u4f5c\u3002<\/p>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"js\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">function foo() {\n\tvar a = 2;\n\tfunction bar() {\n\t\tconsole.log(a);\n\t}\n\treturn bar;\n}\nvar baz = foo();\nbaz(); \/\/ 2<\/pre>\n\n\n<ul class=\"wp-block-list\"><li>\u900f\u904e <code>baz()<\/code> \u5be6\u969b\u4e0a\u57f7\u884c\u4e86 <code>foo()<\/code> \u4e2d\u56de\u50b3\u7684 <code>bar()<\/code>\uff0c\u56e0\u6b64 <code>bar()<\/code> \u662f\u5728\u5ba3\u544a\u8655\u7684\u7bc4\u7587\u4e4b\u5916\u88ab\u57f7\u884c\u3002<\/li><li>\u539f\u5247\u4e0a <code>foo()<\/code> \u88ab\u547c\u53eb\u4e4b\u5f8c\uff0c\u5df2\u7d93\u4e0d\u518d\u88ab\u53d6\u7528\uff0c\u61c9\u8a72\u8981\u88ab\u5783\u573e\u56de\u6536\u6389\uff0c\u537b\u56e0\u70ba <code>bar()<\/code> \u800c\u8b93\u5176\u7bc4\u7587\u5b58\u6d3b\u4e0b\u4f86\uff0c\u9019\u500b\u6307\u5411\u8a72\u7bc4\u7587\u7684\u53c3\u8003\u5c31\u662f Closure\u3002<\/li><li>\u7576\u6211\u5011\u5c07\u5167\u5c64\u51fd\u5f0f\u904b\u9001\u5230\u7bc4\u7587\u4e4b\u5916\uff0cClosure \u6703\u8b93\u51fd\u5f0f\u80fd\u5b58\u53d6\u5b83\u5728\u7de8\u5beb\u6642\u671f\u7684\u8a9e\u5f59\u7bc4\u7587\uff0c\u5118\u7ba1\u5b83\u662f\u5728\u7bc4\u7587\u4e4b\u5916\u88ab\u8abf\u7528\u3002<\/li><\/ul>\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%8F%BE%E5%9C%A8%E6%88%91%E8%83%BD%E7%9C%8B%E5%88%B0%E4%BA%86\"><\/span><strong>\u73fe\u5728\u6211\u80fd\u770b\u5230\u4e86<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p>Closure \u662f\u96a8\u8655\u53ef\u898b\u7684\uff0c\u7576\u8abf\u7528\u4e00\u500b\u56de\u547c\u51fd\u5f0f\uff0c\u628a\u51fd\u5f0f\u7576\u6210\u503c\u5230\u8655\u50b3\u905e\uff0c\u5c31\u5f88\u6709\u53ef\u80fd\u770b\u5230\u51fd\u5f0f\u4f7f\u7528 Closure\u3002<\/p>\n\n\n<p>\u4e0b\u5217\u51fd\u5f0f\u4e2d\uff0c\u82e5\u4e0d\u662f timer \u51fd\u5f0f\u5305\u570d\u4e86 <code>wait ()<\/code> \u7684\u7bc4\u7587\uff0c\u90a3\u9ebc\u5b83\u7684\u7bc4\u7587\u65e9\u5c31\u61c9\u8a72\u5728 1 \u79d2\u5f8c\u6d88\u5931\u3002<\/p>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"js\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">function wait(message) {\n\tsetTimeout(function timer(){\n\t\tconsole.log(message);\n\t}, 1000);\n}\nwait('Hello, Closure');<\/pre>\n\n\n<p>IIFE \u672c\u8eab\u4e26\u6c92\u6709\u4f7f\u7528\u5230 Closure\uff0c\u56e0\u70ba\u5b83\u4e26\u6c92\u6709\u5728\u8a9e\u5f59\u7bc4\u7587\u4e4b\u5916\u57f7\u884c\u3002<\/p>\n\n\n<p style=\"background-color:#fbdee6\" class=\"has-background\">\u627e\u627e Code \u88e1\u9762\u7684 Closure \u5427\uff01<\/p>\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%BF%B4%E5%9C%88%E8%88%87_Closure\"><\/span><strong>\u8ff4\u5708\u8207 Closure<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p>Closure \u7d93\u5178\u6848\u4f8b\uff1a<\/p>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"js\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">for (var i = 1; i &lt;= 5; i++) {\n\tsetTimeout(function timer() {\n\t\tconsole.log(i); \/\/ \u61c9\u8a72\u8981\u5370\u51fa 1, 2,...5\uff0c\u70ba\u4ec0\u9ebc\u662f 5 \u500b 6\n\t}, i * 1000 );\n}<\/pre>\n\n\n<p>Callback \u5728\u8ff4\u5708\u57f7\u884c\u5b8c\u5f8c\u624d\u547c\u53eb\uff0c\u9019\u6642 i \u5df2\u7d93\u5168\u90fd\u662f 6 \u4e86\u3002\u56e0\u70ba\u7bc4\u7587\u5171\u7528\uff0c\u6240\u4ee5\u6bcf\u6b21\u8fed\u4ee3\u90fd\u6703\u8986\u84cb\u524d\u4e00\u6b21\u7684\u503c\u3002<\/p>\n\n\n<p>\u89e3\u6cd5\u4e00\uff1a\u4f7f\u7528 IIFE \u4e26\u50b3\u503c\u8b93\u5176\u5728\u6bcf\u6b21\u8fed\u4ee3\u6642\u5efa\u7acb\u4e00\u4efd\u62f7\u8c9d\u3001\u5efa\u7acb\u4e0d\u540c\u7684\u51fd\u5f0f\u7bc4\u7587\u3002<\/p>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"js\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">for (var i = 1; i &lt;= 5; i++) {\n\t(function(j) {\n\t\tsetTimeout(function timer() {\n\t\t\tconsole.log(j);\n\t\t}, j * 1000);\n\t})(i);\n}<\/pre>\n\n\n<p>\u89e3\u6cd5\u4e8c\uff1a\u4f7f\u7528 let \u6bcf\u6b21\u5efa\u7acb\u4e0d\u540c\u7684\u5340\u584a\u7bc4\u7587\uff0c\u4e26\u4e14\u6703\u81ea\u52d5\u5730\u5c07\u4e0a\u4e00\u6b21\u7684\u8fed\u4ee3\u7d50\u679c\u4f5c\u70ba\u9019\u6b21\u7684\u521d\u59cb\u503c\u3002<\/p>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"js\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">for (let i = 1; i &lt;= 5; i++) {\n\tsetTimeout(function timer() {\n\t\tconsole.log(i);\n\t}, i * 1000);\n}<\/pre>\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%A8%A1%E7%B5%84\"><\/span><strong>\u6a21\u7d44<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p>\u6a21\u7d44\u6a21\u5f0f (Module Pattern) \/ \u63ed\u9732\u6a21\u5f0f (Revealing Module)<\/p>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"js\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">function CoolModule() {\n\tvar something = 'cool';\n\tvar another = [1, 2, 3];\n\tfunction doSomething() {\n\t\tconsole.log(something);\n\t}\n\tfunction doAnother() {\n\t\tconsole.log(another.join(' ! '));\n\t}\n\treturn {\n\t\tdoSomething: doSomething,\n\t\tdoAnother: doAnother\n\t};\n}\nvar foo = CoolModule();\nfoo.doSomething(); \/\/ cool\nfoo.doAnother(); \/\/ 1 ! 2 ! 3<\/pre>\n\n\n<ul class=\"wp-block-list\"><li>\u53eb&nbsp;CoolModule() \u5f8c\u6703\u6709\u4e00\u500b\u6a21\u7d44\u5be6\u9ad4\u88ab\u5efa\u7acb\u51fa\u4f86\u3002<\/li><li>\u53ef\u4ee5\u8abf\u7528 return \u7269\u4ef6\u4e2d\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u60f3\u50cf\u6210\u662f\u516c\u958b\u7684 API\u3002<\/li><li>\u900f\u904e Closure\uff0c\u53ef\u4ee5\u5b58\u53d6\u5230 something \u548c another \u7684\u5167\u5bb9\uff0c\u4f46\u540c\u6642\u4fdd\u6301\u8cc7\u6599\u7684\u79c1\u6709\u6027\u3002<\/li><\/ul>\n\n\n<p>\u884c\u4f7f\u6a21\u7d44\u6a21\u5f0f\u7684\u689d\u4ef6\uff1a<\/p>\n\n\n<ul class=\"wp-block-list\"><li>\u5fc5\u9808\u8981\u6709\u5305\u88f9\u7684\u5916\u5c64\u51fd\u5f0f\uff0c\u4e26\u4e14\u81f3\u5c11\u88ab\u547c\u53eb\u4e00\u6b21\u4ee5\u5efa\u7acb\u5be6\u9ad4\u3002<\/li><li>\u5305\u542b\u51fd\u5f0f\u81f3\u5c11\u8981\u56de\u50b3\u4e00\u500b\u5167\u5c64\u51fd\u5f0f\uff0c\u5167\u5c64\u51fd\u5f0f\u624d\u80fd\u8986\u84cb\u79c1\u6709\u7bc4\u7587\uff0c\u85c9\u6b64\u5b58\u53d6\u79c1\u6709\u8b8a\u6578\u3002<\/li><\/ul>\n\n\n<p><strong>\u8b8a\u9ad4<\/strong><\/p>\n\n\n<ul class=\"wp-block-list\"><li>\u900f\u904e IIFE\uff0c\u53ef\u4ee5\u5c07\u60c5\u6cc1\u9650\u5236\u5728\u53ea\u8981\u4e00\u500b\u5be6\u9ad4\u7684\u6642\u5019 (Singleton) (P.65)\u3002<\/li><li>\u70ba\u56de\u50b3\u7684\u7269\u4ef6\u53d6\u500b\u540d\u7a31\uff0c\u5c31\u53ef\u4ee5\u5f9e\u5167\u90e8\u4fee\u6539\u5be6\u9ad4\uff0c\u65b0\u589e\u3001\u79fb\u9664\u6216\u8b8a\u66f4\u65b9\u6cd5\u548c\u7279\u6027 (P.66)\u3002<\/li><\/ul>\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E7%8F%BE%E4%BB%A3%E6%A8%A1%E7%B5%84\"><\/span><strong>\u73fe\u4ee3\u6a21\u7d44<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p>\u6a21\u7d44\u4f9d\u5b58\u6027\u8f09\u5165\u5668 (Module Dependency Loader) \u5c31\u662f\u5c07\u6a21\u7d44\u6a21\u5f0f\u5305\u88dd\u6210\u53cb\u5584\u7684 API\u3002<\/p>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"js\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">var MyModules = (function Manager() {\n\t\/\/ \u8b8a\u6578 modules \u662f\u6a21\u7d44\u6e05\u55ae\uff0c\n\t\/\/ \u4ee5\u6a21\u7d44\u7684\u540d\u5b57\u70ba key\uff0cvalue \u662f\u500b\u6a21\u7d44\u516c\u958b\u7684 API\n\t\/\/ (e.g. modules['bar'] \u5b58\u653e\u7684\u662f hello)\u3002\n\tvar modules = {};\n\t\/\/ define \u63a5\u6536\uff1a\n\t\/\/ name \u6a21\u7d44\u540d\u7a31\n\t\/\/ deps \u76f8\u4f9d\u6a21\u7d44\u9663\u5217\n\t\/\/ impl \u51fd\u5f0f\uff0c\u5916\u5c64\u51fd\u5f0f\u5305\u88f9\u5167\u5c64\u51fd\u5f0f\uff0c\u4e26\u4e14\u56de\u50b3\u5167\u5c64\u51fd\u5f0f\u4ee5\u5efa\u7acb\u9589\u5305\n\tfunction define(name, deps, impl) {\n\t\tfor (var i = 0; i &lt; deps.length; i++) {\n\t\t\tdeps[i] = modules[deps[i]]; \/\/ (1)\n\t\t}\n\t\tmodules[name] = impl.apply(null, deps); \/\/ (2)\n\t}\n\tfunction get(name) {\n\t\treturn modules[name];\n\t}\n\treturn {\n\t\tdefine: define,\n\t\tget: get\n\t};\n})();<\/pre>\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"js\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"true\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ bar \u6c92\u6709\u9700\u8981\u4efb\u4f55\u5176\u4ed6\u7684\u6a21\u7d44...\n\/\/ modules['bar'] = barImpl.apply(barImpl, []);\nMyModules.define('bar', [], function barImpl() {\n\tfunction hello(who) {\n\t\treturn 'Let me introduce: ' + who;\n\t}\n\treturn {\n\t\thello: hello\n\t};\n});\n\/\/ foo \u9700\u8981 bar \u6a21\u7d44...\n\/\/ modules['foo'] = fooImpl.apply(fooImpl, ['bar']);\nMyModules.define('foo', ['bar'], function fooImpl(bar) {\n\tvar hungry = 'hippo';\n\tfunction awesome() {\n\t\tconsole.log(bar.hello(hungry).toUpperCase());\n\t}\n\treturn {\n\t\tawesome: awesome\n\t};\n});\nvar bar = MyModules.get('bar');\nvar foo = MyModules.get('foo');\nbar.hello('hippo'); \/\/ Let me introduce: hippo\nfoo.awesome(); \/\/ LET ME INTRODUCE: HIPPO<\/pre>\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%9C%AA%E4%BE%86%E6%A8%A1%E7%B5%84\"><\/span><strong>\u672a\u4f86\u6a21\u7d44<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p>ES6 \u6a21\u7d44\u7cfb\u7d71\u6703\u5c07\u4e00\u500b\u6a94\u6848\u7576\u4f5c\u500b\u5225\u7684\u6a21\u7d44\u3002\u6bcf\u500b\u6a21\u7d44\u90fd\u80fd\u532f\u5165\u5176\u5b83\u6a21\u7d44\u6216\u662f\u532f\u51fa\u81ea\u5df1\u516c\u958b\u7684 API\u3002<\/p>\n\n\n<p class=\"has-text-color has-vivid-red-color\">ES6 \u7684\u6a21\u7d44 API \u662f\u975c\u614b\u7684\uff0c\u4e0d\u80fd\u5920\u5728\u57f7\u884c\u6642\u671f\u505a\u8b8a\u66f4\u3002\u4e26\u4e14\u5728\u7de8\u8b6f\u6642\u671f\u5c31\u53ca\u65e9\u6307\u51fa\u53ef\u80fd\u7684\u932f\u8aa4\u3002<\/p>\n\n\n<p style=\"background-color:#fff8e3\" class=\"has-background\">\u53c3\u8003\u73fe\u6709\u5c08\u6848 (handlebar.js)\uff0c\u8a0e\u8ad6\u6a21\u7d44\u60c5\u6cc1\u3002<br \/>\u51fd\u5f0f\u5eab vs. \u6a21\u7d44 vs. \u6846\u67b6\u3002<\/p>\n\n\n<hr class=\"wp-block-separator\" \/>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E8%A4%87%E7%BF%92\"><\/span><strong>\u8907\u7fd2<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<ul class=\"wp-block-list\"><li>Closure \u7684\u5b9a\u7fa9\u3002<\/li><li>\u6a21\u7d44\u6a21\u5f0f\u7684\u5169\u500b\u95dc\u9375\u7279\u5fb5\u3002<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u53cd\u9ad8\u6f6e (Anticlimactic)\uff1a\u901a\u5e38\u7528\u4f5c\u5f62&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[13,12],"tags":[21],"class_list":["post-308","post","type-post","status-publish","format-standard","hentry","category-jsclosuresthis","category-12","tag-javascript"],"_links":{"self":[{"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/posts\/308","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=308"}],"version-history":[{"count":0,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/posts\/308\/revisions"}],"wp:attachment":[{"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=308"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=308"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=308"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}