in style/js/catalog/bloodhound.js [270:281]
clear: function() {
var i, key, keys = [], len = ls.length;
for (i = 0; i < len; i++) {
if ((key = ls.key(i)).match(this.keyMatcher)) {
keys.push(key.replace(this.keyMatcher, ""));
}
}
for (i = keys.length; i--; ) {
this.remove(keys[i]);
}
return this;
},