YUI hashYArray.hash = function (keys, values) {

    var hash = {},

        vlen = (values && values.length) || 0,

        i, len;

    for (i = 0, len = keys.length; i < len; ++i) {

        if (i in keys) {

            hash[keys[i]] = vlen > i && i in values ? values[i] : true;

        }

    }

    return hash;

};

tangram hashvar T,baidu=T= function(){

///import baidu.array;

baidu.array.extend({

    hash : function (values) {

        var result = {},

            vl = values && values.length,

            i, n;

        for (i=0, n=this.length; i < n; i++) {

            result[this[i]] = (vl && vl > i) ? values[i] : true;

        }

        return result;

    }

});

 return baidu;

}();