JSPM

Fast and consistently responsive apps using a single function call

Deferring of the components rendering

Defers event handler until a duration has lapsed or a given event has occurred.

Delay image load until it’s in viewport.

A polyfill for postponing the loading of media.

Race an array of promises against a timer that aborts the race, that can be postponed from the outside

Postpone function execution

Postpone Promises from resolving until after a specific number of milliseconds.