message: Fix image right-click
diff: @@ -17,9 +17,9 @@ function handleContextMenu(event) {
  var extraData = {}
  while (
  - target != null &&
  - target.nodeType == Node.ELEMENT_NODE &&
  - target.nodeName.toLowerCase() != 'a'
  + target !== null &&
  + target.nodeType === Node.ELEMENT_NODE &&
  + target.nodeName.toLowerCase() !== 'a'
  ) {
  target = target.parentNode
  }
  