用户:UnownHearn/common.js

// https://stackoverflow.com/questions/14346414/how-do-you-do-html-encode-using-javascript
function htmlEncode(value){
  //create a in-memory div, set it's inner text(which jQuery automatically encodes)
  //then grab the encoded contents back out.  The div never exists on the page.
  return $('<div/>').text(value).html();
}

$(".WikiaArticle a[title]").hover(function() {
  if (this.className != "") { return; } // 作为 wikilink 的超链接没有 class
  var a = $(this);
  var title = a.attr("title");
  if (title != a.text()) {
    a.append($('<span class="wikilink-popup">' + htmlEncode(title) + '</span>'));
  }
}, function() {
  $(this).find(".wikilink-popup").remove();
});