Consider Using Localized Input Masks for 'Phone' and Other Restricted Inputs (64% Aren't Taking Advantage of Input Masking) – Articles – Baymard Institute
Input Field Data Formatting Plugin For jQuery - Mask | Free jQuery Plugins
JQuery InputMask | Various Libraries & Types of InputMask in JQuery
JQuery InputMask | Various Libraries & Types of InputMask in JQuery
Consider Using Localized Input Masks for 'Phone' and Other Restricted Inputs (64% Aren't Taking Advantage of Input Masking) – Articles – Baymard Institute
angularjs - Is it possible mask input using a different placeholder? - Stack Overflow
How to Use Input Mask in Your Contact Form (Examples) - Ninja Forms
Flexible Input Mask Plugin With Pure JS - rocket-mask | CSS Script