Translate "buy now" button in Shopify

shopfiy_translate_buy_now_button.html

<script>
  // Add this snippet to the page with the "buy now" button.
  // If you need dynamic translation to different languages, 
  // add products.product.buy_now translation to the locales file. 
  // Otherwise replace {{'products.product.buy_now' | t }} with desired translation.
  const intervalTime = 100;

  function updateButton() {
      const paymentButton = document.querySelector('[data-testid="Checkout-button"]');
      if (paymentButton !== null) {
          console.log(paymentButton);
        
          paymentButton.textContent = "{{'products.product.buy_now' | t }}";
          clearInterval(interval);
      }
  }
  const interval = setInterval(updateButton, intervalTime);
</script>