$(document).ready(function(){ var k = $.karma ({container: "#karma-main"}); k.layer( {id:"card1", width:250, height:250} ), k.layer( {id:"card2", width:250, height:250} ), k.layer( {id:"card3", width:250, height:250} ) k.init({ images: [ {id: "ball", file: "ball.png", localized : false }, {id: "ballon", file: "ballon.png", localized : false }, {id: "banana", file: "banana.png", localized : false }, {id: "chilli", file: "chilli.png", localized : false }, {id: "fish" , file: "fish.png", localized : false }, {id: "flower", file: "flower.png", localized : false }, {id: "plussign", file: "plussign.png", localized : false }, {id: "happyMonkey", file: "happyMonkey.jpg", localized : false }, {id: "scorebox", file: "scorebox.png", localized : false } ] , sounds: [ {id: "correct", file: "correct.ogg" }, {id: "incorrect",file: "incorrect.ogg" } ] }); k.main(function() { var [library, layers ] = [k.library, k.layers]; library.images["ball"].draw( layers["card1"].ctx ); library.images["ballon"].draw( layers["card2"].ctx ); library.images["banana"].draw( layers["card3"].ctx ); }); });