How to handle 'touchstart' input event?

How to handle the delay caused due to main thread being busy?

Handling of ‘touchstart’ input event was delayed for 2147483647 ms due to main thread being busy. Consider marking event handler as ‘passive’ to make the page more responive.

Is it occuring just on browser console or it is actually slow on device

@thesourav It’s actually slow on a real device.