How to show banner only on specified page(url)?

<script>
var bannerId = 1;
var url = '/secure/Dashboard'

var bannerSelector = '.jibrokBanner[bannerid=' + bannerId + ']'
if(window.location.href.indexOf(url) >= 0){
  AJS.$(bannerSelector).show()
} else {
  AJS.$(bannerSelector).hide()
}
</script>