Why does my Vue component require :key?

Question

I have a small Vue.js component which displays a favorite star icon. Clicking on the icon favorites/unfavorites the element. So far I have only implemented the UI part, whic

Answer 1

You shouldn't need the :key, it's only necessary in v-for loops. I would suggest you remove it and replace your v-show with a v-if and v-else directive.

v-if removes and addes the section to the DOM whereas v-show just hides it so this way well resolve your issue