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📜  window.addEventListener("在线"); - Javascript代码示例

📅  最后修改于: 2022-03-11 15:01:44.991000             🧑  作者: Mango

代码示例1
window.addEventListener('load', function() {
  var status = document.getElementById("status");
  var log = document.getElementById("log");

  function updateOnlineStatus(event) {
    var condition = navigator.onLine ? "online" : "offline";

    status.className = condition;
    status.innerHTML = condition.toUpperCase();

    log.insertAdjacentHTML("beforeend", "Event: " + event.type + "; Status: " + condition);
  }

  window.addEventListener('online',  updateOnlineStatus);
  window.addEventListener('offline', updateOnlineStatus);
});