Angular - TypeScript in Angular
How do you correctly declare an interface named
Order with a numeric orderId and a string customerName in Angular?How do you correctly declare an interface named Order with a numeric orderId and a string customerName in Angular?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall interface syntax
Interfaces use theinterface Name { property: type; }syntax.Step 2: Identify correct declaration
interface Order { orderId: number; customerName: string; } correctly declares properties with their types inside curly braces.Final Answer:
interface Order { orderId: number; customerName: string; } -> Option CQuick Check:
Options B, C, and D use invalid syntax for interfaces. [OK]
Quick Trick: Use colon to assign types inside interface braces [OK]
Common Mistakes:
- Using equals sign instead of colon for types
- Trying to assign values inside interface
- Using parentheses instead of braces
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