NG2- Push object to an Array , pop, Remove Particular Object

NG2- Push object to an Array 
============================
@Component{

public Cart:Array = [];

product = {
"name": "shirt",
"price": "$32",
"productCode": "123123" 
 }

AddToCart(){   // add to cart (product)
let cardItem = {
"itemName":product.name
"itemPrice":product.price,
"itemKey": product.productCode
}
this.Cart.push(cardItem);       // Push object to Array.
console.log(this.Cart)
} // add method end


Remove Particular Item from Cart
================================

RemoveFromCart(paritucarItem){

let cardItem = {
"itemName":paritucarItem.name
"itemPrice":paritucarItem.price,
"itemKey": paritucarItem.productCode
}

let index = this.Cart.indexOf(cardItem);
this.Cart = this.Cart.filter( (x) => {
console.log('-----',x.productCode,'---',paritucarItem.productCode,'------',x.productCode === paritucarItem.productCode);
return x.productCode != paritucarItem.productCode;
});
console.log(this.Cart)       // Removed cart item

}

remove the last item
=====================

product = {
"name": "shirt",
"price": "$32",
"productCode": "123123" 
 }

lastItmeRemove(){
let cardItem = {
"itemName":product.name
"itemPrice":product.price,
"itemKey": product.productCode
}
this.Cart.pop(cardItem);       // pop object to Array.
console.log(this.Cart)
} // remove last item