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Adding KeyBoard-Input Feature #8

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Adding KeyBoard-Input Feature #8

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52 changes: 44 additions & 8 deletions script.js
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Original file line number Diff line number Diff line change
@@ -1,28 +1,64 @@
let displayValue = '';
let displayValue = "";

function appendToDisplay(value) {
displayValue += value;
document.getElementById('display').value = displayValue;
document.getElementById("display").value = displayValue;
}

function clearDisplay() {
displayValue = '';
document.getElementById('display').value = displayValue;
displayValue = "";
document.getElementById("display").value = displayValue;
}

//Added Backspace Functionality

function backspace() {
displayValue = displayValue.slice(0, -1);
document.getElementById('display').value = displayValue;
document.getElementById("display").value = displayValue;
}

function calculateResult() {
console.log(displayValue)
console.log(displayValue);
try {
displayValue = eval(displayValue);
document.getElementById('display').value = displayValue;
document.getElementById("display").value = displayValue;
} catch (error) {
document.getElementById('display').value = 'Error';
document.getElementById("display").value = "Error";
}
}
document.addEventListener("keydown", handleKeyboardInput);
function handleKeyboardInput(event) {
const key = event.key;
switch (key) {
case "C":
clearDisplay();
break;
case ".":
case "0":
case "1":
case "2":
case "3":
case "4":
case "5":
case "6":
case "7":
case "8":
case "9":
appendToDisplay(key);
break;
case "+":
case "-":
case "*":
case "/":
case "%":
case "**":
appendToDisplay(key);
break;
case "Backspace":
backspace();
break;
case "Enter":
calculateResult();
break;
}
}