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如果一个全局变量没有事先声明,那么在控制台能否输出它的值?
The text was updated successfully, but these errors were encountered:
不能 会报错 堵塞后面的脚本执行
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如果一个全局变量没有事先声明,那么在控制台能否输出它的值?
The text was updated successfully, but these errors were encountered: