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Questions about x-=y in this lesson

After checking on the w3c official website, I found that x-=y is equivalent to x = x-y; not x = y - x

as the teacher said in the course.
天国之秋天国之秋2184 days ago1460

reply all(3)I'll reply

  • 保哥后院

    保哥后院2019-01-03 17:29:54

    x-=y is equivalent to x = x-y, established!

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  • 灭绝师太

    灭绝师太2019-01-03 09:33:16

    It is indeed my problem...

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