Best Practice 3.2 – Avoid sudden change of context (Advanced level)
When activating a change on a mobile application such as switching to a new screen page or refreshing content, ensure to provide users with the corresponding notification or warning.
Before Rectification When users input the mobile number and move the focus to next field, it initiates the form checking mechanism and error message appears. |
After Rectification This implementation is better as it gives the user total control when to submit the request to effect the change. |
W3C WCAG Reference: 3.2.2 On Input
