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window.addEventListener('load', function(e) {
if (navigator.onLine) {
console.log('We\'re online!');
} else {
console.log('We\'re offline...');
}
}, false);
window.addEventListener('online', function(e) {
console.log('And we\'re back :).');
}, false);
window.addEventListener('offline', function(e) {
console.log('Connection is down.');
}, false);
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