Hi Maureen,
I do not see where you set the product_price variable. Did you forget to
initialize it's value?
-Luke
On Fri, Jul 17, 2020 at 7:33 AM Maureen Moore <makam...@gmail.com> wrote:
> When I get the product_price it returns "Unsupported value type" as a
> result of the function below but I need for it to be a number. I tried
> this.product_price = parseFloat(this.product_price); but that returns the
> error: Argument of type 'number' is not assignable to parameter of type
> 'string'. How do I cast product_price as a number?
>
> In my HTML:
>
> <div>{{ totalPrice }}</div>
> <ul *ngFor="let product of products">
> <li>
> <div>{{product.price }}</div>
> <button type="submit" class="btnAddAction" (click)="onSubmit(
> [product.price] )">Add to Cart</button>
> </li>
> </ul>
>
>
>
> The HTML is getting the products from the database which was created with
> this JSON:
>
> {
> "products": [
> {
> "price": 20.50,
> },
> {
> "price": 20.50,
> },
> {
> "price": 12.75,
> }
> ]
> }
>
>
>
>
>
> In my controller typescript file:
>
> get totalPrice() {
> if (typeof this.product_price === "string") {
> return "string";
> }
> if (typeof this.product_price === "number") {
> return "number";
> } else {
> throw Error("Unsupported value type")
> }
> }
> product_price: number;
>
>
> onSubmit(product_price){
> product_price = parseFloat(product_price);
> const data = {
> product_price
> };
> this.items.push(data);
> localStorage.setItem('items', JSON.stringify(this.items));
> }
>
>
>
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--
Lucas Lacroix
Computer Scientist
RESTful APIs & Cloud Platform
Advanced Technology Division, MEDITECH <http://ehr.meditech.com>
781-774-2293
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