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up vote 0 down vote favorite

How can I set the value of name to the property personOne in object? So that name will have the value of Alex. 

var app = new Vue({
  el: '#app',
  data: {
    name: '',
    object: { "personOne": "Alex", "personTwo": "Jack"}
  }
})

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Can you give us an actual, real-usage example? Seems fairly clear the real scenario isn't as hard-coded, or you'd just do name: 'Alex' and be done with it. Are you loading object via AJAX or something? If so, a computed property is probably reasonable. – ceejayoz Jan 22 at 3:01
    
BTW this is not valid javascript object - it should be key -> value - personOne: 'Alex' – Belmin Bedak 2 days ago
up vote 0 down vote

You can use one of the life-cycle hooks like created created or mounted for setting initial data, loading data from API, etc, like following:

var app = new Vue({
  el: '#app',
  data: {
    name: '',
    object: { "personOne": "Alex", "personTwo": "Jack"}
  },
  methods: {
    setName (name) {
      this.name = name
    }
  },
  mounted () {
     this.serName(this.object.personOne)
  },
})
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This seems a bit overcomplicated when a simple computed property would suffice. – ceejayoz Jan 22 at 3:03
    
@ceejayoz I don't think OP just wants a computed property as in that case he can just access this.object.personOne. – Saurabh Jan 22 at 9:22
    
That's why I'm thinking OP has something else going on that they're not explaining well. – ceejayoz 2 days ago
up vote 0 down vote

From within the Vue object you write

this.name = 'Alex' and outside you write app.name = 'Alex'

app.someDataField will change the data property called someDataField

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