Make sure to include both the :value and v-model attributes when using a radio input field

<input type="radio" :value="myValue" v-model="value" />

I am attempting to create a radio button within a component, where value is a variable. However, I am encountering an error that states:

:value="myValue" conflicts with v-model on the same element because the latter already expands to a value binding internally

Despite trying to use direct bindings instead of v-model, I am unable to reproduce the same functionality. Why is this error occurring in this particular scenario? This code is directly from the official documentation for radio buttons.

javascriptvue.js

Answer №1

v-model is essentially a condensed version of 

:value="someVar" @input="someVar = $event"
, which results in the value being assigned twice. Depending on your specific requirements, you can opt for :value="someVar" and then utilize a custom function to manage the input, such as: @input="someFunc". This function would take the input (as default) and allow you to update myVar accordingly. For further clarification, refer to this link.

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