Created
January 11, 2020 12:58
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| var a = Math.cos(Math.sin(((4 + 3) * 3))) | |
| const PI = 3.14159 | |
| const GRAVITY = 9.8 | |
| // function concatenate(array) { | |
| // let a = "" | |
| // for (let i = 0; i < array.length; i++) { | |
| // const element=array[i] | |
| // a += element | |
| // } | |
| // return a | |
| // } | |
| // function sum(a,b) { | |
| // return a+b | |
| // } | |
| // let sumFunction=function(a,b) { | |
| // return a+b | |
| // } | |
| // let arrowSum = (a,b) => { return a+b } | |
| // (a,b) => a+b; | |
| // (a,b) => console.log(a) | |
| // console.log(b) | |
| // return a+b | |
| function onMyButtonClick() { | |
| //... do things | |
| } | |
| // myButton.addEventListener("click", onMyButtonClick) | |
| // let action = "click" | |
| // myButton.addEventListener(action, setButtonRed); | |
| function sumUpToFourNumbers(a,b=0,c=0,d=0) { | |
| return a +b +c+ d; | |
| } | |
| module.exports = sumUpToFourNumbers; |
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| var sumUpToFourNumbers=require('./index.js') | |
| test("Testing template literals", ()=> { | |
| let person = {"name": "Ana", "address":"Elm St.", "city":"Gotham"} | |
| console.log("Hello " + person.name + " from " + person.address + " in " + person.city) | |
| console.log(`Hello ${person.name}\nfrom ${person.address}\nin ${person.city}`) | |
| }) | |
| test("Default parameters",()=> { | |
| //given | |
| let firstNumber = 1 | |
| //when | |
| let result=sumUpToFourNumbers(firstNumber) | |
| //then | |
| expect(result).toBe(firstNumber) | |
| }) | |
| test("Default parameters 2",()=> { | |
| //given | |
| let firstNumber = 15 | |
| let secondNumber = 89 | |
| let expected = 104 | |
| //when | |
| let result=sumUpToFourNumbers(firstNumber, secondNumber) | |
| //then | |
| expect(result).toBe(expected) | |
| }) |
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