dlt.enableAlertBeforeUnload

Introduction

Enables the confirmation dialog that appears when leaving a page in the mini-program.

Conditions for the Dialog

• When the user is on a non-homepage page within the mini-program
• When using the official navigation bar's "Back" button
• When using a custom back button in full-screen mode
• When pressing the Android system's back button

Important Notes

• The gesture-based back navigation is not intercepted.
• In any scenario, this feature should not prevent users from exiting the mini-program.

Parameters

Object object

Property	Type	Default	Required	Description
message	String		Yes	Confirmation dialog message

Sample Code

Page({
  onReady() {
    dlt.enableAlertBeforeUnload({
      message: 'Are you sure you want to leave?',
      success: function (res) {},
      fail: function (res) {},
      complete: function (res) {},
    });
  },
});