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@@ -551,7 +551,7 @@ PS:还有一个条件是**外部函数被调用,内部函数被声明**。
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a++
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console.log(a)
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}
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return fn2
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return fn2;
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}
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var f = fn1(); //执行外部函数fn1,返回的是内部函数fn2
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