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两个三目运算符嵌套先执行哪一个？

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两个三目运算符嵌套先执行哪一个？

1.两个三目运算符嵌套先执行哪一个
2.fun1（aa） ？ “” ，bb == aa ？ cc ， “”
3.求解答2先执行哪个


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fun1(aa)为true就返回""，要是false就判断bb==aa是否为true，如果为true就返回cc，否则也是返回""


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