What do you mean by these instructions at the bottom of the elementUI component? How do I use it?

problem description

what do you mean by these instructions at the bottom of the elementUI component? How to use it?

the environmental background of the problems and what methods you have tried

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input Methods?
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Sep.17,2021

can be called via $refs.input or parent.children


events event

for example, blur

you can define an out-of-focus event @ blur= "handleBlur"

methods method

for example, focus

you can use this.$refs.dom.focus (); in this way

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