[Vuejs]-How to reset data objects after button click

Assuming you use something like axios, you should create something like this

loadMore () {
      if (this.morePagesAvailable) {
        this.page += 1
        ...
        this.loadMoreText = 'Loading'
        this.clicked = true
        Axios.get(...).then( resp => {
              //use the resp
              this.clicked = false
       }) 
        return this.loadMoreText
      }
    }

Also you should probably rename clicked to isLoading.