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Do you want to add a key to the applet or for sequence?

2022-06-26 03:19:00 【a_ Jing】

The answer must be yes , If not key It will affect performance , Because no key The browser will render repeatedly , This will affect the performance of the page , It is mainly reflected in the slow loading of the page , Slow rendering .

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https://yzsam.com/2022/177/202206260246078574.html

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