JSFiddle - React, Tailwind, and code Playground

HTML

<div id="app">
    {{ currentTime }}
</div>

Vue

Vue.config.productionTip = false;
Vue.config.devtools = false;

const app = new Vue({
  el:'#app',
  data: {
   currentTime: ""
  },
  
mounted() {
      this.currentTime = 3;

      this.$nextTick(() => {
          let date = new Date()
          this.currentTime = date.getFullYear()
      });
  }
})