单项选择题
在JavaScript中,添加注释正确的是()
A. ///this is a comment
B.〈!--this is a comment --〉
C. //this is a comment
D.“this is a comment’’
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单项选择题
A. ///this is a comment
B.〈!--this is a comment --〉
C. //this is a comment
D.“this is a comment’’
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