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下面代码的输出是什么?
function sayHi() { console.log(name); console.log(age); var name = "Lydia"; let age = 21; } sayHi();
可参考《JavaScript 进阶问题列表》
The text was updated successfully, but these errors were encountered:
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下面代码的输出是什么?
可参考《JavaScript 进阶问题列表》
The text was updated successfully, but these errors were encountered: