function (items) {
        this.items = [];
        this.length = 0;
        this.type = "set";
        if (items) {
            for (var i = 0, ii = items.length; i < ii; i++) {
                if (items[i] && (items[i].constructor == elproto.constructor || items[i].constructor == Set)) {
                    this[this.items.length] = this.items[this.items.length] = items[i];
                    this.length++;
                }
            }
        }
    }
function (items) {
        this.items = [];
        this.length = 0;
        this.type = "set";
        if (items) {
            for (var i = 0, ii = items.length; i < ii; i++) {
                if (items[i] && (items[i].constructor == elproto.constructor || items[i].constructor == Set)) {
                    this[this.items.length] = this.items[this.items.length] = items[i];
                    this.length++;
                }
            }
        }
    }
function ( items ) { this . items = [ ] ; this . length = 0 ; this . type = "set" ; if ( items ) { for ( var i = 0 , ii = items . length ; i < ii ; i ++ ) { if ( items [ i ] && ( items [ i ] . constructor == elproto . constructor || items [ i ] . constructor == Set ) ) { this [ this . items . length ] = this . items [ this . items . length ] = items [ i ] ; this . length ++ ; } } } }
Set
Set
A set of       