text: btnRunCodeOnExtension.onclick = function() {
  
    var noti = new Notification('通知标题', {icon: "../icon.png", body: "通知消息"});
    noti.onclose = function() {
      console.log('Notification: close');
    }
    noti.onclick = function() {
      console.log('Notification: click');
      // noti.close();
    }
  
  }
  
  btnRunCodeOnPage.onclick = function() {
    var code = function() {
      console.log('Run code on page.');
      try {
        toast('Run code on page.');
      } catch (e) {
        alert('Run code on page.')
      }
  
    }
    chrome.tabs.executeScript(null, {code: '!(' + code.toString() + ')();'});
  }
  
  btnOptions.onclick = function() {
    chrome.tabs.create({url:"./../options/options.html"});
  }
  