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ahmed #8

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147 changes: 82 additions & 65 deletions js/calc.js
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Original file line number Diff line number Diff line change
@@ -1,73 +1,90 @@

class Calculator{
screens;
class Calculator {
screen = "";
div;
constructor(div){
this.div=document.querySelector(div);


this.div.innerHTML=`<div class="w-50 card ml-5">
<input type="text" class="form-control input-lg" readonly id="screen">
<table style="width: 100%;" id="calc1">
<tr>
<td><button class="btn btn-light"> 1</button></td>
<td><button class="btn btn-light"> 2</button></td>
<td><button class="btn btn-light"> 3</button></td>
<td><button class="btn btn-light"> 4</button></td>
<td><button class="btn btn-light"> 5</button></td>
<td><button class="btn btn-light"> +</button></td>
</tr>
<tr>
<td><button class="btn btn-light"> 6</button></td>
<td><button class="btn btn-light"> 7</button></td>
<td><button class="btn btn-light"> 8</button></td>
<td><button class="btn btn-light"> 9</button></td>
<td><button class="btn btn-light"> 0</button></td>
<td><button class="btn btn-light"> -</button></td>
</tr>
<tr>
<td colspan="6"><button class="btn btn-dark btn-block">=</button></td>
</tr>
</table>
</div>`;
this.screens=document.querySelector('#screen');

const btn=document.querySelectorAll('table button');
finalAns;
constructor(div) {
this.div = document.querySelector(div);
this.div.innerHTML = `<div class="w-100">
<input type="text" class="form-control input-lg" readonly id="screen">
<table style="width:100%;" id="tb1">
<tr>
<td><button class="btn btn-light">1</button></td>
<td><button class="btn btn-light">2</button></td>
<td><button class="btn btn-light">3</button></td>
<td><button class="btn btn-light">4</button></td>
<td><button class="btn btn-light">5</button></td>
<td><button class="btn btn-light">+</button></td>
</tr>
<tr>
<td><button class="btn btn-light">6</button></td>
<td><button class="btn btn-light">7</button></td>
<td><button class="btn btn-light">8</button></td>
<td><button class="btn btn-light">9</button></td>
<td><button class="btn btn-light">0</button></td>
<td><button class="btn btn-light">-</button></td>
</tr>
<tr>
<td colspan="6"><button class="btn btn-dark">=</button></td>
<td colspan="6"><button class="btn btn-dark">del</button></td>
<td colspan="6"><button class="btn btn-danger btn-block" onclick="clear()">CLR</button></td>
</tr>
</table>
</div>`;
this.screen = document.querySelector(`${div} input`);
const btnn = document.querySelectorAll(`${div} button`);

btn.forEach((bt)=>{

bt.addEventListener('click',()=>{
if (bt.innerText=='=') {
this.showAnswer()
}
else{

this.showNumbas(bt.innerText)
}
})
})

btnn.forEach((bt) => {
bt.addEventListener("click", () => {
if (bt.innerText == "=") {
this.showAnswer();
}
if (bt.innerText == "del") {
let delt = this.screen.value.slice(0, -1);
this.screen.value = delt;
} else {
this.showNumbers(bt.innerText);
}
});
});
}

showNumbas(numbers){
//log(numbers)

this.screens.value+=numbers
showNumbers(numbers) {
console.log(this.finalAns);
if (this.screen.value == this.finalAns) this.screen.value = "";
if (
this.screen.value.charAt(this.screen.value.length - 1) == "+" &&
numbers == "-"
) {
this.screen.value = this.screen.value.slice(0, -1);
this.screen.value += numbers;
} else if (
this.screen.value.charAt(this.screen.value.length - 1) == "-" &&
numbers == "+"
) {
this.screen.value = this.screen.value.slice(0, -1);
this.screen.value += numbers;
} else {
this.screen.value += numbers;
}
}

showAnswer(){
try {
this.screens.value=eval(this.screens.value)

} catch (error) {
alert('INvalid something')
this.screens.value=''
}
showAnswer() {
try {
this.finalAns = eval(this.screen.value);
this.screen.value = this.finalAns;
} catch (error) {
alert("Invalid something");
this.screen.value = "";
}
}

init(){

init() {}
}
class Calculator2 extends Calculator {
color;
constructor(div2, colorId) {
super(div2);
document.querySelector(colorId).addEventListener("change", function () {
this.color = document.querySelector("#colorInp").value;
document.querySelector(div2).style.backgroundColor = this.color;
});
}
}

// export default Calculator