JavaScript-Programing-Projects/Assignment 2-2 at master · PasinduUkwatta/JavaScript-Programing-Projects · GitHub

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const friends = ["michel", "jane", "philip", "mark"]

friends.push("pasindu")

console.log(friends)


const newLength = friends.push("thiwanka")

console.log(friends)
console.log(newLength)

friends.unshift("John")

console.log(friends)

const popped = friends.pop()

console.log(friends)
console.log(popped)

friends.pop()

console.log(friends)

friends.shift()

console.log(friends)

console.log(friends.indexOf("jane"))
console.log(friends.indexOf("mark"))
console.log(friends.indexOf("bob"))

console.log(friends.includes("cena"))
console.log(friends.includes("jane"))

if (friends.includes("jane")) {
    console.log("you have a friend")
} else {
    console.log("you does not have friend")
}

function calcTip(billValue) {
    if (50 <= billValue <= 300) {
        return billValue * 0.15

    }
    else {
        return billValue * 0.2
    }
}


console.log(calcTip(100))

const bills = [125, 555, 44]

const tips = [calcTip(bills[0]), calcTip(bills[1]), calcTip(bills[2])]

console.log(tips)


const total = [bills[0] + calcTip(bills[0]), bills[1] + calcTip(bills[1]), bills[2] + calcTip(bills[2])]

console.log(total)