DEVCode
Code & Text Diff Checker
Compare two code blocks or text files with side-by-side highlighting of differences.
tool id:code-diff
original text (old)7 lines
modified text (new)6 lines
Unified Diff Viewer+5 lines-6 lines
1-function calculateTotal(items) {
1+function calculateTotal(items: CartItem[]): number {
2- let total = 0;
2+ // Use modern reduce with tax calculation
3- for (let i = 0; i < items.length; i++) {
3+ const subtotal = items.reduce((acc, item) => acc + item.price * item.quantity, 0);
4- total += items[i].price;
4+ const tax = subtotal * 0.08;
5- }
5+ return Number((subtotal + tax).toFixed(2));
6- return total;
76 }
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