单项选择题
function run(a, b, c) { arguments[2] = 10; alert(c);}run(1, 2, 3);
代码运行结果是()
A.undefined
B.2
C.10
D.1
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单项选择题
function run(a, b, c) { arguments[2] = 10; alert(c);}run(1, 2, 3);
代码运行结果是()
A.undefined
B.2
C.10
D.1
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