js object deep watch code example

Example 1: vue watch deep property

watch: {
  item: {
     handler(val){
       // do stuff
     },
     deep: true
  }
}

Example 2: vue watch object member

// Use a deep watcher for that:

watch: {
  item: {
     handler(val){
       // do stuff
     },
     deep: true
  }
}