Question - What are the array detection mutation methods in Vue.js? 
          
        
        Answer - 
        
As the name suggests, the array detection mutation methods in Vue.js are used to modify the original array. Following is a list of array mutation methods which trigger view updates:
- push()
 - pop()
 - shift()
 - unshift()
 - splice()
 - sort()
 - reverse()
 
When you perform any of the above mutation methods on the list, then it triggers view update.