jquery distinct（仮）

gistfile1.txt

$.extend({
    distinct: function (array) {
        var u = {}, a = [];
        for(var i = 0, l = array.length; i < l; ++i){
           if(u.hasOwnProperty(array[i])) {
              continue;
           }
           a.push(array[i]);
           u[array[i]] = 1;
        }
        return a;
    }
});
$.fn.extend({
    distinct : function() {
        return this.pushStack( $.distinct(this));
    }
});