computed: {

    returnSomething: function () {

      return this.something

    }

  }

var vm = new Vue({

  el: '#example',

  data: {

    message: 'Hello'

  },

  computed: {

    // a computed getter

    reversedMessage: function () {

      // `this` points to the vm instance

      return this.message.split('').reverse().join('')

    }

  }

})

// Vue 3 (Computed getter and setter) in script setup.

const view = ref(false)

​

const computedView = computed({

  get: () => view.value,

  set: val => {

    view.value = val

  }

})

export default {

    computed:{

        test(){

            return this.course.image

        }

    }

    ,

    props:['course'],

}