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vue回车聚焦下一个input，动态绑定ref出现，refs拿到为undefined

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vue回车聚焦下一个input，动态绑定ref出现，refs拿到为undefined

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by (71.8m points)
  1. _this.$refs.label.foucs()
  2. _this.$refs[label].focus()
  3. _this.$refs['label'].focus()

上述三个有什么不同？

既然懂了，那么很明显，你读取的并不是你想要的


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