Angular - TypeScript in Angular
Which of the following is the correct syntax to declare a number property
age with type annotation in an Angular component?Which of the following is the correct syntax to declare a number property age with type annotation in an Angular component?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Recall TypeScript number type syntax
The correct syntax ispropertyName: number = value;with lowercase number.Step 2: Check value type matches annotation
Assigning 30 (a number) matches the number type.Final Answer:
age: number = 30; -> Option AQuick Check:
Number property syntax = age: number = 30; [OK]
Quick Trick: Use lowercase 'number' and assign numeric values directly [OK]
Common Mistakes:
- Using uppercase Number instead of number
- Assigning string '30' instead of number 30
- Wrong order like 'number age = 30;'
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