BackButton

Implements Telegram Mini Apps Back Button.

Initialization

To initialize the component, use the initBackButton function:

import { initBackButton } from '@telegram-apps/sdk';

const [backButton] = initBackButton();

Showing and Hiding

To show and hide BackButton, it is required to use show() and hide() methods. These methods update the button's isVisible property:

backButton.show();
console.log(backButton.isVisible); // true  

backButton.hide();
console.log(backButton.isVisible); // false

Events

List of events, which could be tracked:

Event	Listener	Triggered when
click	() => void	Back Button was clicked
change	() => void	Something in component changed
change:isVisible	(value: boolean) => void	isVisible property changed

Methods Support

List of methods, which could be used in support checks: show and hide