Protected channels (only moderators' posts)

gistfile1.js

(function($){
  $(function(){
    //on domready
  	muut(function(app){ //on forum load
  	  //retrieve DOM element
  		var createInput = $('.m-form.m-create');
  		var only_admin_channels = ['Your Channel 1', 'Your Channel 2']; // list of channel-titles
  		var is_moderator = app.is_signed && app.user.is_admin;
  	  //on load and update events
  		app.on('load update', function (_, e) {
  		    //if channel page and not a moderator and protected channel
  		    if(e.type == 'page' && !is_moderator && -1!==$.inArray(e.title, only_admin_channels)){
		    		  createInput.hide();
		    	}else{
		    		  createInput.show(); //this won't collide with 'display: none !important'
		      }
  		});
  	});
  });
})(window.jQuery);