HTLML JS // Declare variables or insert code here /** * Called when the canvas and all its child elements are rendered and attached into the page. */ this.onRender = function () { // Insert your code here. This is an ideal place for setting up event listeners }; /** * Called when the canvas and all its child elements are removed from the page. */ this.onRemove = function () { // Insert your code here. This is an ideal place for removing event listeners }; CSS