You want to call a method submitForm() only when the user presses the Enter key inside an input box. Which Angular event binding syntax correctly achieves this?

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Angular - Templates and Data Binding

You want to call a method submitForm() only when the user presses the Enter key inside an input box. Which Angular event binding syntax correctly achieves this?

<input (??? )="submitForm()" />

A(keyup)

B(keyup.enter)

C(keydown)

D(keypress.enter)

Step-by-Step Solution

Solution:

Step 1: Understand Angular key event filtering
Angular supports event filtering like (keyup.enter) to listen only for Enter key on keyup.
Step 2: Choose the correct event with key filter
(keyup.enter) triggers submitForm() only when Enter is released, which is the recommended approach.
Final Answer:
(keyup.enter) -> Option B
Quick Check:
Use (keyup.enter) to detect Enter key [OK]

Quick Trick: Use (keyup.enter) to trigger on Enter key press [OK]

Common Mistakes:

Using (keydown) without key filter triggers on all keys
Using (keyup) triggers on all keys, not just Enter
Using deprecated (keypress.enter) event

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More Angular Quizzes

You want to call a method submitForm() only when the user presses the Enter key inside an input box. Which Angular event binding syntax correctly achieves this?

Step 1: Understand Angular key event filtering

Step 2: Choose the correct event with key filter

Final Answer:

Quick Check:

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