It is a famous library that helps you add aid for contact gestures (e.g. rotate, swipe, pan, zoom ) to your page. We will enhance a swipe-able card. Angular 2 presents a token known as HAMMER_GESTURE_CONFIG which accepts a HammerGestureConfig type.

How to install HammerJS

npm install hammerjs --save

BY Best Interview Question ON 30 Nov 2019