[Vuejs]-Set title property if the data returned from binding is true in vuejs

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Use a computed property.

computed: {
  title: function() {
     return this.value ? this.value.age : ''
  }
}

In this way we are ensuring that this.value is not undefined and we use the age off of the object, otherwise an empty string (or you can replace it with whatever you want. Now just use that as the title property:

:title="title"

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