Angular - Reactive Forms
In a reactive form, you want to reset the form and clear all states including dirty and touched. Which method should you use?
In a reactive form, you want to reset the form and clear all states including dirty and touched. Which method should you use?
hard🚀 Application Q9 of 15
Step-by-Step Solution
Solution:
Step 1: Understand form.reset() behavior
Calling reset() resets the form's value and clears dirty, touched, and other states to initial.Step 2: Compare with other methods
markAsPristine() and markAsUntouched() only change specific states but do not reset values. updateValueAndValidity() triggers validation but does not reset states.Final Answer:
form.reset() -> Option CQuick Check:
reset() clears values and all states [OK]
Quick Trick: Use reset() to clear form values and states [OK]
Common Mistakes:
MISTAKES- Using markAsPristine() alone to reset form
- Confusing updateValueAndValidity() with reset
- Expecting markAsUntouched() to reset values
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