What is the problem of passing values between WeChat Mini Programs and his son components?

<i-input value="{{ number }}"> // 


<input value="{{ value }}"> // 

properties:{
    value: Sting
}


valuenumber
valuenumber

take a look at this and you should understand
https://blog.csdn.net/m0_3806.


the child component acquires the things in the child component to pass to the parent component through events, and defines the event receiving value in the parent component. Bind events in the parent component in a child component (similar to vue passing values through props)

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