Name: Salesforce.PDII.v2022-08-07.q138 Question 1
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Question 1/138

A developer is building a Lightning web component that displays quantity, unit price, and the total for an order line item. The total is calculated dynamically as the quantity multiplied by the unit price.

What must be added to display the total?

A. Add Total: {quantity * UnitPrice} in the template.

B. Add get total() { return quantity * unitPrice;} to the JavaScript and Total: {total} in the template.

C. Add Total; {multiple quantit,y unitprice)} in the template.

D. Add calculate Total() {return quantity * unitPrice;} to the javaScript and Total : {calculate Total()} in the template.

Correct Answer: D

Recent Comments (The most recent comments are at the top.)

Bobby Lee - Dec 28, 2022

The correct answer is B.

Fermín - Nov 19, 2022

I think is B too

Jon - Oct 04, 2022

You can NOT do: Total : {calculate Total()}

You will get the error: Template expression doesn't allow CallExpressionlwc

The correct answer is B [Add get total() { return quantity * unitPrice;} to the JavaScript and Total: {total} in the template.]

Robert Mora - Aug 08, 2022

Correct Answer: B
LWC allows to use get properties directly exposed into the template file.
https://developer.salesforce.com/docs/component-library/documentation/en/lwc/lwc.js_props_getters_setters

simon - Aug 08, 2022

Why would it be B?
what is the calculate in calculate Total()?

It should be A.
First update the first line to
import { LightningElement, api } from 'lwc';

then add in the get method.
Just returning quantity * unitPrice is also incorrect. You should put the this in front to let the system know what to reference.

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