1 files changed, 22 insertions, 0 deletions
diff --git a/public/cart.js b/public/cart.js
new file mode 100644
index 0000000..b8c9887
--- /dev/null
+++ b/public/cart.js
@@ -0,0 +1,22 @@
+var products = document.getElementById("products").getElementsByClassName("product");
+
+for (var product of products) {
+	var countInput = product.getElementsByClassName("count")[0];
+	countInput.removeAttribute("disabled");
+
+	// update product count in cart asynchronously when cart value is modified
+	countInput.addEventListener("input", function() {
+		var productID = this.parentElement.getAttribute("product-id");
+		var count = this.value;
+
+		fetch("/cart.php", {
+			method: "POST",
+			headers: { "Content-Type": "application/x-www-form-urlencoded" },    
+			body: new URLSearchParams({
+				"type": "update",
+				"product_id": productID,
+				"count": count
+			}),
+		});
+	});
+}