ononline event listener

/**
 * We can trigger ononline event by using addEventListener
 * */
 
 window.addEventListener("online", (event) => {
     //here we run our code, what to do
     //when connection is restored
 })
 
 
 /**
  * We can trigger onoffline event by using ononline
  * */
  
  window.ononline = event => {
     //here we run our code, what to do
     //when connection is restored
  }