Check internet connection using JavaScript

Sometimes you need to check device have internet connection or not.

This can be done by simple JavaScript function

var connectionMessage = "Your device have internet connection.";
var noConnectionMessage = "Ohh! It seems that your device dont have internet connection.";
window.onload = checkInternetConnection;
function checkInternetConnection() {
  var isOnLine = navigator.onLine;
  if (isOnLine) {
  } else {

Enjoy JavaScript…

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