Show submit a request based on user tags

The CSS

.tab_new {
  display: none;
}

The javascript

var listOfAllowedTags = ['test', 'test1', 'test3'];
var list = _.intersect(listOfAllowedTags, currentUser.tags);
var isAllowed = (list.length > 0) ? true : false;
if (isAllowed) {
    jQuery('.tab_new').show()
  }