{"id":1021,"date":"2021-11-21T16:51:00","date_gmt":"2021-11-21T08:51:00","guid":{"rendered":"http:\/\/blog.xrhoujie.com\/?p=1021"},"modified":"2022-06-20T17:10:40","modified_gmt":"2022-06-20T09:10:40","slug":"js%e5%86%99%e4%b8%80%e4%b8%aa%e9%97%ad%e5%8c%85","status":"publish","type":"post","link":"http:\/\/blog.xrhoujie.com\/?p=1021","title":{"rendered":"js\u5199\u4e00\u4e2a\u95ed\u5305"},"content":{"rendered":"\n

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<\/em><\/p>\n\n\n\n

     function fun1() {\n        var n = 99;\n        function fun2() {\n          n += 1;\n          console.log(n);\n        }\n        return fun2;\n      }\n<\/code><\/pre>\n\n\n\n
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1.\u65b9\u5f0f\u4e00<\/h4>\n\n\n\n
<\/em><\/p>\n\n\n\n
     fun1()() \/\/ 100\n     fun1()() \/\/ 100\n<\/code><\/pre>\n\n\n\n
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2.\u65b9\u5f0f\u4e8c<\/h4>\n\n\n\n
<\/em><\/p>\n\n\n\n
      var result = fun1()\n      result()  \/\/100\n      result()  \/\/101\n      result()  \/\/102\n<\/code><\/pre>\n\n\n\n
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\u89e3\u51b3\u5185\u5b58\u6cc4\u6f0f\u95ee\u9898<\/h5>\n\n\n\n
<\/em><\/p>\n\n\n\n
      var result = fun1()\n      result()  \/\/100\n      result()  \/\/101\n      result()  \/\/102\n      result = null \/\/ \u624b\u52a8\u91ca\u653ef1\u7684\u5f15\u7528 result\n      result = fun1()\n      result() \/\/100\n      result() \/\/101<\/code><\/pre>\n\n\n\n
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