请选择下面代码输出1的次数
var vm = new Vue({
el: '#example',
data: {
message: 'Hello'
},
computed: {
test: function () {
console.log(1)
return this.message
}
},
created: function (){
this.message = 'World'
for (var i = 0; i < 5; i++) {
console.log(this.test)
}
}
})