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练习

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xian_wen

#1 Created at ... [Delete] [Delete and Lock User]

generator改写next_id()

for (id = 1; ; id++) {
    yield id;
}

xian_wen

#2 Created at ... [Delete] [Delete and Lock User]
for (let id = 1; ; id++) {
    yield id;
}

这里为啥要两个;;

lxfemy

#4 Created at ... [Delete] [Delete and Lock User]

中间循环次数参数是空值,一直循环


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