---
title: "Introduction"
slug: "debug-intro"
updated: 2025-11-06T18:29:54Z
published: 2025-11-06T18:29:54Z
canonical: "docs.doc-know.com/debug-intro"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.doc-know.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

### debug

The **debug** object provides a set of testing functions that are useful during the development and testing of your apps.

> This object is documented first because we will use its functions throughout many other documentation examples.

### Properties

Below is a list of properties supported by this object.

| Name | Description | Desktop | Web | Avatars |
| --- | --- | --- | --- | --- |
| --- | --- | --- | --- | --- |

### Functions

Below is a list of functions supported by this object.

| Name | Description | Desktop | Web | Avatars |
| --- | --- | --- | --- | --- |
| [log](http://docs.doc-know.com/v1/docs/debug-log) | Displays a value in the debugger output log | Yes | Yes | Yes |
| [delay](http://docs.doc-know.com/v1/docs/debug-delay) | Delays script execution for a specified # of milliseconds | Yes | Yes | Yes |
| [ping](http://docs.doc-know.com/v1/docs/debug-ping) | Responds with a simple pong response | Yes | Yes | Yes |
| [echo](http://docs.doc-know.com/v1/docs/debug-echo) | Responds with a simple echo message | Yes | Yes | Yes |

### Remarks

The **log** function is used heavily by authors during app development. It provides a way to inspect the value of your variables within the logic of your script.

Visit the [fundamentals page](http://docs.doc-know.com/v1/docs/fundamentals) to learn more about debugging and other programming concepts.