jefsnare

// top-level namespace
var myApp = myApp || {};

// directly assign a nested namespace
myApp.library = {
  foo:function(){ 
    //...
  }
};

jefsnare

let roundUpValueByStep = (value, step) => {
  return Math.ceil(value * (1 / step)) / (1 / step);
}

console.log(roundUpValueByStep(1.25, 0.5)); // 1.5
console.log(roundUpValueByStep(1.77, 0.5)); // 2
console.log(roundUpValueByStep(1, 0.5)); // 1

console.log(roundUpValueByStep(2.1, 0.25)); // 2.25
console.log(roundUpValueByStep(2.45, 0.25)); // 2.5

jefsnare

//DO NOT USE FRAMEWORKS

/**
 * 1. Below discount rule should have dynamic data
 * - Create a function to fill this dynamic data
 * - Append to a HTML element with class .container
*/

var discountRule = 'Add two more 2 products and receive 5 euro discount!';