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Вивчайте Challenge: Implement Conditional Rendering – Bank Alert | Вступ до Основ React
Опановуємо React
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Зміст курсу

Опановуємо React

Опановуємо React

4. React в Реальному Світі

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Challenge: Implement Conditional Rendering – Bank Alert

Task: Creating a Bank Alert

Let's work with a bank account. We aim to develop a logic that informs the user whether they have sufficient funds on their card to cover a given price. Depending on the outcome, we will display different messages to the user.

The task is:

  • Create two components - App, parent, and Message, child.

  • The parent component (App) transfers the props moneyAvailable, price, and name.

    1. moneyAvailable - represents the amount of money the user has;

    2. price - denotes the amount of money the user needs to pay;

    3. name - refers to the user's name.

  • If the user has enough money to pay, we show the message: Success! The remaining amount of money for <user_name> is: <calculated_amount_of_money_left>. Thank you!.

  • If the user has not enough money to pay, we show the message: Failure! The bank account balance for <user_name> is: <moneyAvailable>. Unfortunately, you need to pay: <price>.

  1. In React, we use the ternary operator condition ? ... : ... to implement the logic of an if...else statement.

  2. To construct the string correctly,

    • Replace the placeholder user_name with the actual user name: name prop;

    • Replace the placeholder calculated_amount_of_money_left with the calculated amount of money left - moneyAvailable - price;

    • Replace the placeholder moneyAvailable with the actual available money - moneyAvailable prop;

    • Replace the placeholder price with the actual price - price prop.

  3. Use curly braces {...} to assign a value that is not a string type.

Все було зрозуміло?

Як ми можемо покращити це?

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Секція 1. Розділ 13

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course content

Зміст курсу

Опановуємо React

Опановуємо React

4. React в Реальному Світі

book
Challenge: Implement Conditional Rendering – Bank Alert

Task: Creating a Bank Alert

Let's work with a bank account. We aim to develop a logic that informs the user whether they have sufficient funds on their card to cover a given price. Depending on the outcome, we will display different messages to the user.

The task is:

  • Create two components - App, parent, and Message, child.

  • The parent component (App) transfers the props moneyAvailable, price, and name.

    1. moneyAvailable - represents the amount of money the user has;

    2. price - denotes the amount of money the user needs to pay;

    3. name - refers to the user's name.

  • If the user has enough money to pay, we show the message: Success! The remaining amount of money for <user_name> is: <calculated_amount_of_money_left>. Thank you!.

  • If the user has not enough money to pay, we show the message: Failure! The bank account balance for <user_name> is: <moneyAvailable>. Unfortunately, you need to pay: <price>.

  1. In React, we use the ternary operator condition ? ... : ... to implement the logic of an if...else statement.

  2. To construct the string correctly,

    • Replace the placeholder user_name with the actual user name: name prop;

    • Replace the placeholder calculated_amount_of_money_left with the calculated amount of money left - moneyAvailable - price;

    • Replace the placeholder moneyAvailable with the actual available money - moneyAvailable prop;

    • Replace the placeholder price with the actual price - price prop.

  3. Use curly braces {...} to assign a value that is not a string type.

Все було зрозуміло?

Як ми можемо покращити це?

Дякуємо за ваш відгук!

Секція 1. Розділ 13
Ми дуже хвилюємося, що щось пішло не так. Що трапилося?
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