Example of how to clear a timeout on beforeDestroy

timeout.js

var Component = {
  mounted() {
    this.setTimeOutClose()
  },
  beforeDestroy() {
    clearTimeout(this.timeout);
  },
  data() {
    return {
      timeout: null
    };
  },
  methods: {
    setTimeOutClose() {
      this.timeout = setTimeout(function () {
        console.log("Did something");
      }, 1000);
    }
  },
}