From 3206079cd7419645fa6dabb99cbd55a3bf628aa2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BD=99=E6=9D=B0?= <3522851519@qq.com>
Date: Wed, 9 Oct 2024 11:44:48 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=B0?=
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Content-Type: text/plain; charset=UTF-8
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---
 script.js | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 script.js

diff --git a/script.js b/script.js
new file mode 100644
index 0000000..f637294
--- /dev/null
+++ b/script.js
@@ -0,0 +1,57 @@
+let currentInput = '';
+let previousInput = '';
+let operation = null;
+
+function appendNumber(number) {
+    currentInput += number.toString();
+    document.getElementById('display').value = currentInput;
+}
+
+function appendDecimal(dot) {
+    if (!currentInput.includes(dot)) {
+        currentInput += dot;
+        document.getElementById('display').value = currentInput;
+    }
+}
+
+function chooseOperation(op) {
+    if (currentInput !== '') {
+        previousInput = currentInput;
+        operation = op;
+        currentInput = '';
+    }
+}
+
+function calculateResult(equals) {
+    let result;
+    const prev = parseFloat(previousInput);
+    const curr = parseFloat(currentInput);
+    if (isNaN(prev) || isNaN(curr)) return;
+    switch (operation) {
+        case '+':
+            result = prev + curr;
+            break;
+        case '-':
+            result = prev - curr;
+            break;
+        case '*':
+            result = prev * curr;
+            break;
+        case '/':
+            result = prev / curr;
+            break;
+        default:
+            return;
+    }
+    currentInput = result.toString();
+    document.getElementById('display').value = currentInput;
+    previousInput = '';
+    operation = null;
+}
+
+function clearDisplay() {
+    currentInput = '';
+    previousInput = '';
+    operation = null;
+    document.getElementById('display').value = '';
+}s
\ No newline at end of file