Prevent Conflicts in Time-Sensitive Applications

Syncfusion Essential Studio JavaScript is a comprehensive UI library offering over 80 high-performance, lightweight, and responsive components to transform your web apps. Built from scratch with TypeScript, it boasts modularity and touch-friendliness, letting you pick and choose specific features while ensuring smooth mobile interaction. With rich themes, global accessibility features, and extensive documentation, it powers everything from basic buttons to interactive charts and data grids, simplifying frontend development across JavaScript, Angular, React, and Vue.

The Syncfusion Essential Studio JavaScript 2025 Volume 1 release adds a new feature to the Scheduler component to prevent overlapping appointments by setting the allowOverlap property to false. This enhancement ensures that users cannot schedule multiple events at the same time slot, thereby maintaining a clear and organized calendar.

To see a full list of what's new in 2025 Volume 1, see our release notes.

Syncfusion Essential Studio JavaScript is available as part of Syncfusion Essential Studio Enterprise which is licensed per developer starting with a Team License of up to five developers. It is available as a 12 Month Timed Subscription License which includes support and maintenance. See our Syncfusion Essential Studio Enterprise licensing page for full details.

Learn more on our Syncfusion Essential Studio JavaScript product page.