@syncfusion/ej2-treemap

JavaScript TreeMap Control

The JavaScript TreeMap control provides a simple and effective way to visualize flat or hierarchical data as clustered rectangles with a specific, weighted attribute determining the size of each rectangle.

Getting started . Online demos . Learn more

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Setup

To install the TreeMap and its dependent packages, use the following command.

npm install @syncfusion/ej2-treemap

Supported frameworks

TreeMap control is also offered in the following list of frameworks.

Angular	React	Vue	ASP.NET Core	ASP.NET MVC

Showcase samples

• Olympic medal categories details - Live Demo
• Countries population details - Live Demo

Key features

• Data sources: Binds the treemap control with an array of JSON objects or DataManager. Both hierarchical and flat collection data sources are supported.
• Levels: Renders with any number of levels and items.
• Layout: Supports four types of layouts: square, horizontal, vertical, and auto.
• Drill-down: Provides drill-down option to have a closer look at the lower level of a hierarchy.
• Data label: Provides additional information about the nodes.
• Header template: Uses any custom HTML element to customize the header of each item.
• Label template: Uses any custom HTML element to customize the data label for each node.
• Color mapping: Applies colors to the nodes based on various conditions. Treemap supports three types of color mapping: range, equal, and desaturation.
• Legend: Provide useful information for conveying what the treemap showcases.
• Selection and highlight: Support selecting or highlighting the nodes to bring center of attraction.
• Tooltip: Provides additional information about the node on hover.
• Print and Export: Prints or exports the rendered treemap to a desired format. Exporting supports four formats: PDF, PNG, JPEG and SVG.
• Globalization: Personalize the treemap control with different languages, as well as culture-specific number, date and time formatting.
• Accessibility: Provides with built-in accessibility support which helps to access all the treemap control features through the keyboard, screen readers, or other assistive technology devices.

Support

Product support is available through the following mediums.

• Support ticket - Guaranteed Response in 24 hours | Unlimited tickets | Holiday support
• Community forum
• GitHub issues
• Request feature or report bug
• Live chat

Changelog

Check the changelog here. Get minor improvements and bug fixes every week to stay up to date with frequent updates.

License and copyright

This is a commercial product and requires a paid license for possession or use. Syncfusion’s licensed software, including this control, is subject to the terms and conditions of Syncfusion's EULA. To acquire a license for 80+ JavaScript UI controls, you can purchase or start a free 30-day trial.

A free community license is also available for companies and individuals whose organizations have less than $1 million USD in annual gross revenue and five or fewer developers.

See LICENSE FILE for more info.

© Copyright 2025 Syncfusion^® Inc. All Rights Reserved. The Syncfusion^® Essential Studio^® license and copyright applies to this distribution.