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Diff Checker

Compare text, code, JSON, and documents with instant visual side-by-side or unified diffs — 100% private in your browser.

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ORIG

DIFF

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Original (Before)original.txt

12 lines231 chars

Modified (After)modified.txt

17 lines338 chars

+11 added-6 removed6 unchanged

Difference Output

(Side-by-Side Split • lines mode)

function calculateDiscount(user, cartTotal) {

  // Check if user is a premium member

  if (user.isPremium) {

    return cartTotal * 0.15; // 15% discount

  if (cartTotal > 100) {

    return cartTotal * 0.05;

  return 0;

function calculateDiscount(user, cartTotal, promoCode) {

  // Priority check for VIP coupon

  if (promoCode === "SUPERVIP") {

    return cartTotal * 0.25;

  // Premium tier discount

  if (user?.isPremium) {

    return cartTotal * 0.20; // Upgraded to 20%

12+

  if (cartTotal >= 100) {

13+

    return cartTotal * 0.10;

14+

15+

  return 0;

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