title: When to use created() method in vue?
body: <p>I have learned life cycle hooks of Vue.js but didn't find any practical scenario where created() function is used ?</p>
  
  <p>I know that created() function can access reactive data and events but cannot access DOM element. But actually I don't know how to use it. Please someone help me providing practical scenario where Created() function is used . 
  Thanks in advance.</p>