JS - function to set the same height of items on a row

setBoxHeight.js

/* Set boxes height to match the highest box on the same row */
setBoxHeight: function(){
    var boxes = $j('.myBoxes', this.$scope);  //Selector and scope
    var boxesByRow = 3;                       //Nb of items on a row

    //Create each row
    for(var i = 0; i < boxes.length; i+=boxesByRow) {
        var newRow = boxes.slice(i, i+boxesByRow);
        setHeight(newRow);
    }

    //Apply the highest "auto" box height to all the boxes of the row
    function setHeight(row){
        var autoHighest = 0;
        row.each(function(){
            var autoHeight = $j(this).css('height', 'auto').outerHeight();
            if ( autoHeight > autoHighest ){
                autoHighest = autoHeight;
            }
        });
        var newHeight = autoHighest;

        row.height(newHeight);
    }
}