Json:
"connections":[
            ["button0","financials_li_0"],
            ["button1"],
            ["button2","order_fulfillment_li_0"],
            ["button3"],
            ["button4"],
            ["button5","order_fulfillment_li_1","material_management_li_0"]

        ]



javascript:
//add and removes the focus class on click, define groups in the Json 'connections'
function connect(array) {
    $.each(array, function(index,value) {
        $("#"+value).click(function(){
            $("div,li").removeClass("focusClass");
            $.each(array, function(index,value ) {
               $("#"+value).addClass("focusClass");
            });
    });
    });
}

Connects multiple items on a page on click by pulling arrays of ids from the json

Connect- Highlight multiple items when any item in the list is clicked

JavaScript