var renderables = [new Swipe('mySwipe', {a: b}), new Swipe('mySwipe2'), ... ]; //Swipe hast to be renderable

new Once(renderables);

function YourConstructor( ... ) {
    // 1. make sure to include this line
    this.args = arguments;
    
    // 2. include this definition and make your dom changes within the defined function
    this.render = function () {
    
        {{your code}}
        
        // 3. make sure to call this line when your changes are done
        this.isRendered(this);
    };
    
    // 4. include this definition and start your interactivity only here
    this.init =  function () {
    
        {{your code}}
    };
}