MediaWiki:Gadget-ExplainTooltips.js

/* Make it so users can click on "explain" spans to toggle their content.
   Useful for mobile users, since there's no mouse-over. */

$(function() {
 var explain_spans = document.getElementsByClassName('explain');
 for(var e = 0; e < explain_spans.length; e++) {
   explain_spans[e].onclick = function(){ toggleExplain(this); };
 }
 function toggleExplain(e) {
   var old = e.getAttribute('oldContent');
   if(old && old.length > 0) {
     e.innerHTML = old;
     e.setAttribute('oldContent', '');
     e.style.borderBottom = '1px dotted';
   } else {
     e.setAttribute('oldContent', e.innerHTML);
     e.innerHTML = e.getAttribute('title');
     e.style.borderBottom = '1px dashed';
   }
 }
});