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@arn-ob
Created July 18, 2017 02:46
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Shopping Cart at HTML and JS
<html>
<head>
<script>
//create array that will hold all ordered products
var shoppingCart = [];
//this function manipulates DOM and displays content of our shopping cart
function displayShoppingCart(){
var orderedProductsTblBody=document.getElementById("orderedProductsTblBody");
//ensure we delete all previously added rows from ordered products table
while(orderedProductsTblBody.rows.length>0) {
orderedProductsTblBody.deleteRow(0);
}
//variable to hold total price of shopping cart
var cart_total_price=0;
//iterate over array of objects
for(var product in shoppingCart){
//add new row
var row=orderedProductsTblBody.insertRow();
//create three cells for product properties
var cellName = row.insertCell(0);
var cellDescription = row.insertCell(1);
var cellPrice = row.insertCell(2);
cellPrice.align="right";
//fill cells with values from current product object of our array
cellName.innerHTML = shoppingCart[product].Name;
cellDescription.innerHTML = shoppingCart[product].Description;
cellPrice.innerHTML = shoppingCart[product].Price;
cart_total_price+=shoppingCart[product].Price;
}
//fill total cost of our shopping cart
document.getElementById("cart_total").innerHTML=cart_total_price;
}
function AddtoCart(description,price){
//Below we create JavaScript Object that will hold three properties you have mentioned: Name,Description and Price
var singleProduct = {};
//Fill the product object with data
singleProduct.Name=document.getElementById("name").value;
singleProduct.Description=description;
singleProduct.Price=price;
//Add newly created product to our shopping cart
shoppingCart.push(singleProduct);
//call display function to show on screen
displayShoppingCart();
}
//Add some products to our shopping cart via code or you can create a button with onclick event
//AddtoCart("Table","Big red table",50);
//AddtoCart("Door","Big yellow door",150);
//AddtoCart("Car","Ferrari S23",150000);
</script>
</head>
<body>
<table cellpadding="4" cellspacing="4" border="1">
<tr>
<td valign="top">
<table cellpadding="4" cellspacing="4" border="0">
<thead>
<tr>
<td colspan="2">
Products for sale
</td>
</tr>
</thead>
<tbody>
<tr>
<td>
Table
</td>
<td>
<input type="text" id="name" ><br>
<input type="button" value="Add to cart" onclick="AddtoCart('Big red table',50)"/>
</td>
</tr>
<tr>
<td>
Door
</td>
<td>
<input type="button" value="Add to cart" onclick="AddtoCart('Door','Yellow Door',150)"/>
</td>
</tr>
<tr>
<td>
Car
</td>
<td>
<input type="button" value="Add to cart" onclick="AddtoCart('Ferrari','Ferrari S234',150000)"/>
</td>
</tr>
</tbody>
</table>
</td>
<td valign="top">
<table cellpadding="4" cellspacing="4" border="1" id="orderedProductsTbl">
<thead>
<tr>
<td>
Name
</td>
<td>
Description
</td>
<td>
Price
</td>
</tr>
</thead>
<tbody id="orderedProductsTblBody">
</tbody>
<tfoot>
<tr>
<td colspan="3" align="right" id="cart_total">
</td>
</tr>
</tfoot>
</table>
</td>
</tr>
</table>
</body>
</html>
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