Some basic examples of using jQuery vs using Backbone.Native.

BackboneEventsExample.js

events: {
    'click .child': 'clickChildEvent'
},

// With jQuery
clickChildEvent: function(event){
    $(event.currentTarget).toggleClass('clicked');
},

// With Backbone.Native
clickChildEvent: function(event, childElement){
    childElement.classList.toggle('clicked');
}

BackboneRenderExample.js

render: function(){
    // With jQuery  
    this.$('.child').each(function(i, childElement){
        var subview = new App.Views.Child();
        $(childElement).append(subview.render().$el);
    });

    // With Native APIs
    _.forEach(this.el.querySelectorAll('.child'), function(childElement){
        var subview = new App.Views.Child();
        childElement.appendChild(subview.render().el);
    });
}