I'm writing in a template, watch to a function, But now need to unwatch while leaving the component

[proc07]

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[proc07]

I didn't find the relevant cancellation API in the document

[javoski]

Hi, you can use vm.$watch instead of option watch - https://vuejs.org/v2/api/#vm-watch.

[proc07]

@javoski thank you

[proc07]

I want to ask, Many functions are monitored in each component, does this affect performance ?? @javoski