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单选题
varx=“Iamglobalx”;vary=“Iamglobaly”;functionfoo(){vary=x=“Hellofromfoo”;}foo();执行上面的代码后,x、y的值分别是多少()。
A
抛出SyntaxError错误
B
x=Hellofromfoo;y=Iamglobaly
C
x=Iamglobalx;y=Iamglobaly
D
x=Hellofromfoo;y=Hellofromfoo
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