A guide to two-way binding in Vue - LogRocket Blog
Briefly

One-way data binding in Vue.js allows data to flow from parent to child components, enabling changes to a reactive variable to update the view, but not vice versa.
Two-way data binding enables real-time synchronization between the data object and the DOM, allowing updates to flow in both directions with the use of directives like v-model.
Read at LogRocket Blog
[
|
]