When creating a component vnode, the children must be passed as slot functions. ERROR:vue.runtime.esm.js:619 [Vue warn]: Avoid mutating a prop directly since the value will be overwritten whenever the parent component re-renders. define prop as decimal vue. 2)v-model. WebThe first argument can either be a string (for native elements) or a Vue component definition. I often use prop validation, especially for 'default' value feature. The second argument is the props to be passed, and the third argument is the children.