A snippet of javascript meant to be injected into webpages which allows you to zap elements out of existence.

Dom node deletion bookmarklet

javascript:(function(){
  var on_top_style = "background-color:rgba(0,0,0,.01);position:fixed;top:0px;left:0px;bottom:0px;right:0px;z-index:1290479853759;";
  var on_bottom_style = "background-color:rgba(0,0,0,.01);position:fixed;top:0px;left:0px;bottom:0px;right:0px;z-index:-10;";
  if (document.getElementById("deleteDomNodeTopOverlay")) {
    var overlay = document.getElementById("deleteDomNodeTopOverlay");
    overlay.setAttribute("toggle",overlay.getAttribute("toggle")+1);
    if (overlay.getAttribute("toggle").length%2==0) {
      overlay.setAttribute('style', on_bottom_style);
    }
    return 0;
  }
    var top_overlay = document.createElement("div");
  top_overlay.id = "deleteDomNodeTopOverlay";
  top_overlay.setAttribute("toggle",1);
  top_overlay.setAttribute('style', on_top_style);
  document.body.appendChild(top_overlay);
  top_overlay.onclick = function(e){
    if (document.getElementById("deleteDomNodeTopOverlay").getAttribute("toggle").length%2 == 0) {
      return 0;
    }
    top_overlay.setAttribute('style', on_bottom_style);
    document.elementFromPoint(e.clientX,e.clientY).remove();
    top_overlay.setAttribute('style', on_top_style);
  };
  
  var old_element, new_element;
  document.body.onmousemove = function(e){
    if (document.getElementById("deleteDomNodeTopOverlay").getAttribute("toggle").length%2 == 0) {
      return 0;
    }
    top_overlay.setAttribute('style', on_bottom_style);
  	new_element = document.elementFromPoint(e.clientX,e.clientY);
  	if (new_element !== old_element) {
      if (old_element !== undefined) {
        old_element.setAttribute('style',(old_element.cssText || '')+'border:0px;');
      }
  		old_element = new_element;
  		old_element.setAttribute('style',(old_element.cssText || '')+'border:1px dashed red;');
  	}
    top_overlay.setAttribute('style', on_top_style);
  };
})();