gistfile1.js

dojo.NodeList.prototype.highlight = function(){
this.forEach(function(node){
dojo.style(node, “backgroundColor”, “yellow”);
});
return this;
}
dojo.query(“p”).highlight();
dojo.extend(dojo.NodeList, {
highlight: function(color){
// You can accept arguments
this.forEach(function(node){
dojo.style(node, “backgroundColor”, color || “yellow”);
});
return this;
}
});
dojo.query(“p”).highlight(“red”);