Angular directive for displaying telephone numbers in the USA format

I recently came across a great solution for formatting USA telephone numbers on StackBlitz.

However, I'm now wondering how to add the country code "+1" to the beginning of the telephone mask. Ideally, it should look like: +1(123) 234-2345.

Answer №1

To start, delete it if it's present:

if (event.startsWith('+1')) {
  newVal = newVal.substring(1); 
}

Next, add it at the end:

newVal = '+1 ' + newVal;

Visit this Stackblitz link for more details.

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