如何检测导航器是否将您的状态更改为在线/离线?
就像是:
var oldState = navigator.onLine;
window.navigator.onlinechange = function(evnt,newState) {
alert('your changed from' + oldState + ' to' + newState + 'state');
}
借助 body 类和此代码,您可以找到
window.ononline = function() {
alert('You are now online');
}
window.onoffline = function() {
alert('You are now offline');
}
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