If the phone number should accept only 10 digit numbers, which of the following options will suit?
Answer options
A
<input type="text" pattern="[0-9]{10}"/>
B
Incorrect HTML/JavaScript syntax
C
Valid syntax but does not satisfy the requirement
D
Unrelated markup or method
Correct answer: <input type="text" pattern="[0-9]{10}"/>
Detailed Solution & Conceptual Analysis
This question has been retained as-is due to its unique context.
Key Engineering Takeaway
In Essentials, understanding the underlying mechanics of Essentials is critical for writing performant, bug-free production code and passing rigorous technical architecture reviews.