It may fail because this code may overwrite element's properties (and in
some browsers like IE and Opera some attributes, mapped as element
properties). E.g. $("someInput").store("name", "foo").store("type", "bar");
Better will be some separate container to store values inside, but this
leads to back-porting element storage back to Prototype 1.6:
// storage container nested in each element
if(typeof Element.store == 'undefined'){
Element.addMethods({
store: function(e, k, v){
e._prototypeStorage = e._prototypeStorage || {};
e._prototypeStorage[k] = v;
},
retrieve: function(e, k){
e._prototypeStorage = e._prototypeStorage || {};
return (e._prototypeStorage[k]);
}
});
}
// storage container in closure
(function(){
if(typeof Element.store == 'undefined'){
var storage = {};
function uid(e) {
// TODO return some uid for element like in Prototype 1.7
}
Element.addMethods({
store: function(e, k, v){
var id = uid(e);
storage[id] = storage[id] || {};
storage[id][k] = v;
},
retrieve: function(e, k){
var id = uid(e);
storage[id] = storage[id] || {};
return (storage[id][k]);
}
});
}
})();
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