how to get id to javascript function on click on link_to

onclick on assign to rm button , i want to get on rm names listed as a dropdown Any help is appreciatable.

mynview, gu_rent_property_list.html.erb

<% @properties.each do |property| %> <%= link_to "Assign To Rm", {:class=>"btn btn-danger",:onclick => 'update_subscategories_div(<%=property.category_id %>.value)'%>} %> <div class="col-md-6 resp_dropdown"> <div class="wrapper-demo wrapper-demo_left wrapper-demo_rightforjs"> <select class=" wrapper-dropdown-3_1 wrapper-dropdown-3_1forjs" id="categoriesDiv" name="property[rm_id]"> </select>&#8203; </div> </div>

my javascript code is this

function update_subscategories_div(category_id) {
  // alert(category_id);
    var result = {}, objectlength, select_options = ''
    if (category_id == '') {
        jQuery('#categoriesDiv').html('');

    } else {
        jQuery.ajax({
            url: "assign_rm/" + category_id + ".json",
            type: "GET",
            data: {"category_id": category_id},
            dataType: "html",
            success: function (data) {
                result = JSON.parse(data)
                objectlength = result.length
                for (var i = 0; i < objectlength; i++) {
                    select_options += '<option value=' + result[i].id + '>' + result[i].name + '</option>'
                }
                jQuery('#categoriesDiv').html(select_options);
            }
        });
    }
}

controller

def gu_rent_property_list @properties =Property.where(id: params[:id]) end

iam getting error like this