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update script.js #1

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159 changes: 50 additions & 109 deletions script.js
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Original file line number Diff line number Diff line change
@@ -1,155 +1,96 @@
const numbers = document.querySelectorAll(".number")
console.log(numbers)

const numbers = document.querySelectorAll(".number")
numbers.forEach((number)=> {
console.log(number)
})

const numbers = document.querySelectorAll(".number")
numbers.forEach((number)=> {
number.addEventListener("click", () => {
console.log("number is pressed")
})
})

const numbers = document.querySelectorAll(".number")
numbers.forEach((number)=> {
number.addEventListener("click", (event) => {
console.log(event.target.value)
})
})

const calculatorScreen = document.querySelector(`.calculator-screen`)
const updateScreen = (number) => {
calculatorScreen.value = number
}

const calculatorScreen = document.querySelector(`.calculator-screen`)
const calculatorScreen = document.querySelector('.calculator-screen')
const updateScreen = (number) => {
calculatorScreen.value = number
}
const numbers = document.querySelectorAll(".number")
numbers.forEach((number) => {
number.addEventListener ("click", (Event) => {
updateScreen(Event.target.value)
})
})

let prevNumber = ''
let calculationOperator = ''
let currentNumber = '0'

let prevNumber = '';
let calculationOperator ='';
let currentNumber = '0';
const numbers = document.querySelectorAll(".number");
const inputNumber = (number) => {
currentNumber = number
}
numbers.forEach((number)=> {
number.addEventListener("click",(Event)=> {
inputNumber(Event.target.value)
updateScreen(currentNumber)
})
})
const inputNumber =(number) => {
currentNumber += number
}
const inputNumber = (number) => {
if (currentNumber === '0') {
} else {
if(currentNumber === '0'){
currentNumber = number
}else{
currentNumber += number
}
}
const operators = document.querySelectorAll(".operator")
operators.forEach((operator) => {
operator.addEventListener("click", (Event)=> {
console.log(Event.target.value)
numbers.forEach((number) => {
number.addEventListener("click", (event) => {
inputNumber(event.target.value)
updateScreen(currentNumber)
})
})
const inputOperator = (operator) => {
prevNumber = currentNumber
calculationOperator = operator
currentNumber = ''


const inputOperator = (operator) => {
if(calculationOperator === ''){
prevNumber = currentNumber
}
calculationOperator = operator
currentNumber = '0'
}
const operators = document.querySelectorAll(".operator")

operators.forEach((operator) => {
operator.addEventListener("click", (Event) => {
inputOperator(Event.target.value)
operator.addEventListener("click", (event) => {
inputOperator(event.target.value)
})
})
const equalSign = document.querySelector('.equal-sign')
equalSign.addEventListener('click', ()=> {
console.log('equal button is pressed')
})

const calculate = () => {
let result = ''
switch(calculationOperator) {
case "+":
result = prevNumber + currentNumber
switch(calculationOperator){
case '+':
result = parseFloat(prevNumber) + parseFloat(currentNumber)
break
case "-":
result = prevNumber - currentNumber
case '-':
result = parseFloat(prevNumber) - parseFloat(currentNumber)
break
case "*":
result = prevNumber * currentNumber
case '*':
result = parseFloat(prevNumber) * parseFloat(currentNumber)
break
case "/":
result = prevNumber / currentNumber
case '/':
result = parseFloat(prevNumber) / parseFloat(currentNumber)
break
default:
return
return
}
currentNumber = result
calculationOperator = ''
}

const equalSign = document.querySelector('.equal-sign')

equalSign.addEventListener('click', () => {
calculate()
updateScreen(currentNumber)
})
const calculate = () => {
let result = ''
switch(calculationOperator) {
case '+':
result = parseFloat(prevNumber) + parseFloat(currentNumber)
break
}
}
const clearBtn = document.querySelector('.all-clear')
clearBtn.addEventListener('click', () => {
console.log('AC button is pressed')
})

const clearAll = () => {
prevNumber =''
prevNumber = ''
calculationOperator = ''
currentNumber = '0'
}

const clearBtn = document.querySelector('.all-clear')

clearBtn.addEventListener('click', () => {
clearAll()
updateScreen(currentNumber)
})

const decimal = document.querySelector('.decimal')
decimal.addEventListener('click', (Event) => {
console.log(Event.target.value)
})
inputDecimal = (dot) => {
currentNumber += dot
}
const decimal = document.querySelector('.decimal')
decimal.addEventListener('click', (Event) => {
inputDecimal(Event.target.value)
upsateScreen(currentNumber)
})

inputDecimal = (dot) => {
if(currentNumber.includes('.')) {
if(currentNumber.includes('.')){
return
currentNumber += dot
}
currentNumber += dot
}
const inputOperator = (operator) => {
if (calculationOperator === '') {
prevNumber = currentNumber
}
calculationOperator = operator
currentNumber = '0'
}
decimal.addEventListener('click', (event) => {
inputDecimal(event.target.value)
updateScreen(currentNumber)
})