¶ Telerik UI (JavaScript)
¶ Web Technologies
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There’s something fascinating about the way the web continues to evolve. Each year, new frameworks appear, new patterns emerge, and new ideas ripple through the development community. Yet one challenge has remained steady across every generation of web technology: building user interfaces that feel polished, consistent, and capable of supporting real-world demands. It’s easy to craft something quick and functional. It’s far more difficult to create something refined—something that feels thoughtful, responsive, and reliable under pressure.
That’s why tools like Telerik UI have a special place in web development. While trends come and go, and countless JavaScript libraries fade into obscurity as quickly as they appear, Telerik UI remains a trusted companion for developers who need more than just a handful of widgets. It offers an entire ecosystem of components—grids, charts, editors, forms, schedulers, data visualizations, navigation tools, and a wide range of polished elements crafted with care. It’s not simply a UI kit; it’s a mature, professional-grade suite designed for developers who need to build serious applications with high expectations and little room for compromise.
This course, spanning one hundred detailed articles, is dedicated to exploring Telerik UI in a way that brings both its philosophy and its technical depth to life. But before diving into all the components, patterns, and capabilities ahead, it helps to understand why Telerik UI stands out in the vast landscape of JavaScript tools.
The story of Telerik UI begins long before JavaScript UI libraries became fashionable. At a time when developers were still wrestling with inconsistent browser behaviors, hand-built widgets, and the early days of jQuery-based interactions, Telerik emerged with a simple but ambitious promise: to make web interfaces easier to build without sacrificing quality. It wasn’t trying to be trendy. It was trying to solve real problems for real teams—problems related to reliability, consistency, performance, and a level of polish that typical ad-hoc solutions rarely achieved.
As JavaScript matured and frameworks began to dominate the conversation, Telerik UI evolved right alongside them. Rather than resisting change, it embraced it—adapting to Angular, React, Vue, and other rising technologies—while keeping its identity intact: a comprehensive, deeply engineered set of UI tools designed with enterprise-level applications in mind. The framework’s longevity is no accident. It’s the product of years of refinement, iteration, and listening to developers who rely on stable, feature-rich interfaces to power everything from dashboards to internal systems to customer-facing platforms.
One of the most striking things about Telerik UI is how quickly it gives you a sense of control. Many UI libraries offer components that look attractive in demos but require significant tweaking to behave correctly in real applications. Telerik UI feels different. It’s built for environments where data is complex, interactions are demanding, and performance requirements can be unforgiving. Whether you’re handling thousands of rows in a data grid, building interactive charts, designing a scheduling system, or constructing dynamic forms that adapt to user input, the components stay consistent and predictable.
This predictability isn’t just a convenience—it’s a design philosophy. The creators of Telerik UI understand that developers want to trust their tools. They want components that feel dependable, that behave the same way across browsers, that offer extensive configurability without requiring endless patches, and that allow for customization without sacrificing stability. Telerik UI delivers on all of this, and more. It’s not rare to find developers who have used it for five or ten years across multiple projects, because once you learn the library’s patterns, everything else becomes easier.
This course is built around that idea: helping you not only learn Telerik UI, but feel at home with it.
As you progress through the hundred articles, you’ll explore the library from every angle. You’ll begin with the small things—understanding how components initialize, how data flows through widgets, how the styling system works, and how events tie everything together. At first, you might be tempted to see Telerik UI as just another collection of widgets. But as you build more, you’ll start to notice the level of engineering behind it: the performance optimizations, the thoughtful defaults, the way components interact gracefully with both synchronous and asynchronous data.
Soon you’ll find yourself moving into the deeper layers—mastering the Kendo Grid and all its capabilities, creating custom editors, virtualizing data for high-performance rendering, building chart-heavy dashboards that feel alive, and using advanced scheduling components that mirror the complexity of real business workflows. Telerik UI isn’t about showing you flashy demos; it’s about offering tools that scale gracefully from simple prototypes to fully fledged applications.
And throughout this journey, you’ll also learn a great deal about UI engineering itself. Telerik UI teaches you things that extend far beyond the library: how to structure reusable UI patterns, how to balance customization with maintainability, how to handle large datasets efficiently, how to design accessible interfaces, and how to plan UI architectures that will survive years of development. As you gain mastery of the components, you develop instincts that make you a stronger developer overall.
One of the quiet strengths of Telerik UI is the way it encourages consistency. When you’re working on large applications—or working across teams—consistency becomes invaluable. You want UI elements that match each other stylistically. You want interactions that feel natural and predictable. You want data-heavy components that share a unified experience. Telerik UI gives you that unity without forcing you into a rigid design system. It provides enough structure to keep everything cohesive, while still giving you the freedom to craft your own visual identity and component behavior.
Another interesting quality of the library is how deeply it understands the needs of professional applications. Many modern UI tools focus on the aesthetic aspect of interface building, giving you attractive components but leaving gaps when it comes to workflows that businesses rely on daily. Telerik UI takes the opposite approach: it builds first for functionality, durability, and usability. Its components feel like they were created by people who have spent years building software for real industries, real customers, and real-world constraints.
This course will help you explore those ideas in depth. You’ll learn how to run components efficiently under heavy loads, how to handle edge cases that arise when real users start interacting with your interfaces, and how to design workflows that feel intuitive for both beginners and experts. These lessons are invaluable because they’re applicable to any UI system you work with, not just Telerik UI.
As you move through the articles, you’ll also discover how Telerik UI fits alongside other technologies. You’ll see how it integrates with backend services, how it behaves in full-stack architectures, how it works within SPA frameworks, and how you can combine it with your own custom JavaScript logic. A good UI library should support the direction you want to take—not dictate it—and Telerik UI does exactly that.
Perhaps one of the most rewarding parts of learning Telerik UI is the way it helps you think about interface design with more nuance. Instead of piecing together a UI from scratch or stitching multiple third-party libraries that don’t quite match, you begin with a unified foundation and refine it. You focus more on the experience you want users to have and less on wrestling with the mechanics of component behavior. This shift frees up mental space for creativity—for thinking about the flow of screens, the clarity of information, the precision of interactions, and the overall feel of an application when someone first touches it.
By the time you finish all one hundred articles, Telerik UI won’t feel like an external toolkit anymore. It will feel like an environment you understand—one where you know the capabilities of each component, the best patterns for orchestrating them, the subtle tricks that elevate a good interface to a polished one, and the deeper principles that lead to thoughtful UI design.
More than that, you’ll understand why Telerik UI has stayed relevant for so many years. It’s not just about components. It’s about reliability, craftsmanship, and a commitment to solving the real challenges that developers face every day. It’s about offering tools that feel comfortable, dependable, and capable of supporting applications long after the initial release.
If you’re ready to begin this journey, take your time. Let each lesson unfold naturally. Enjoy discovering how each piece of the library fits into the bigger picture. As you move through the course, you’ll not only become fluent in Telerik UI—you’ll become a more thoughtful, skilled, and confident developer.
Let’s begin.
¶ Telerik UI (JavaScript)
¶ Introduction to Telerik UI for JavaScript
1. What is Telerik UI for JavaScript? An Overview
2. Setting Up Telerik UI for JavaScript: Installation and Configuration
3. Exploring the Telerik UI for JavaScript Framework
4. How Telerik UI Integrates with Modern JavaScript Frameworks
5. First Steps: Your First Telerik UI Component
6. Getting Started with the Telerik UI for JavaScript Component Library
7. Understanding Telerik UI’s Themes and Styling
8. Using Telerik UI with Plain JavaScript vs Frameworks
9. Overview of Telerik UI Widgets: A Quick Introduction
10. Understanding the Telerik UI for JavaScript Ecosystem
¶ Basic Telerik UI Widgets and Components
11. Introduction to Telerik UI Controls: Buttons, Inputs, and More
12. Creating Your First Telerik UI Button
13. Handling Events in Telerik UI for JavaScript
14. Using Telerik UI Inputs for Forms: Textboxes, Checkboxes, and Radio Buttons
15. Telerik UI Grid: Displaying Data in a Table Format
16. Building a Simple Listbox with Telerik UI
17. DatePicker and TimePicker Widgets in Telerik UI
18. Working with Telerik UI Dialogs and Alerts
19. Using Telerik UI Sliders and Range Controls
20. Creating and Customizing Telerik UI DropDown Lists
¶ Intermediate Telerik UI Concepts
21. Using Telerik UI with AJAX: Creating Dynamic UIs
22. Introduction to Telerik UI Data Binding
23. Displaying Data with Telerik UI DataGrid
24. Creating Custom Data Sources for Telerik UI Widgets
25. Styling Telerik UI Widgets with CSS and Themes
26. Using Telerik UI for Dynamic Content Updates
27. Building Responsive Designs with Telerik UI
28. Creating Custom Toolbars and Menus with Telerik UI
29. Validating User Input with Telerik UI Validators
30. Working with Telerik UI DateTime Pickers and Calendars
¶ Advanced Telerik UI Features
31. Creating Custom Widgets and Components with Telerik UI
32. Advanced Grid Features: Filtering, Sorting, and Pagination
33. Customizing Telerik UI Grid Columns and Rows
34. Implementing Row and Column Templates in Telerik UI Grid
35. Integrating Telerik UI Charts for Data Visualization
36. Building Interactive Dashboards with Telerik UI Components
37. Implementing Drag and Drop in Telerik UI
38. Working with Telerik UI Scheduler for Event Management
39. Handling Multi-Select Controls in Telerik UI
40. Creating and Managing Telerik UI TreeView Components
¶ Telerik UI Advanced Interaction and Customization
41. Building Multi-Purpose Dashboards with Telerik UI
42. Creating Custom Themes in Telerik UI for Branding
43. Animating UI Elements with Telerik UI Transitions
44. Handling File Uploads with Telerik UI
45. Advanced Grid Customization: Using Templates and Styling
46. Integrating Telerik UI with External Data Sources
47. Using Telerik UI with RESTful APIs
48. Advanced Sorting and Grouping in Telerik UI Grids
49. Integrating Telerik UI with GraphQL
50. Using Telerik UI for Real-Time Data with WebSockets
¶ Working with Telerik UI in JavaScript Frameworks
51. Using Telerik UI in React Applications
52. Integrating Telerik UI Components into Angular Apps
53. Building Vue.js Apps with Telerik UI Components
54. Telerik UI with Svelte: A Modern Approach
55. Handling Data Binding in Telerik UI for React
56. Using Telerik UI with Knockout.js for Reactive UIs
57. Managing State in Telerik UI Components in React
58. Building Forms in Angular with Telerik UI
59. Leveraging Telerik UI for Dynamic Updates in Vue.js
60. Advanced Component Customization in Telerik UI for Angular
¶ Telerik UI Data Management and Display
61. Creating Master-Detail Views with Telerik UI
62. Using Telerik UI PivotGrid for Multi-Dimensional Data
63. Building Complex Forms with Telerik UI Editors
64. Displaying Geospatial Data with Telerik UI Maps
65. Using Telerik UI for Data Aggregation and Summarization
66. Implementing Advanced Search in Telerik UI Grids
67. Handling Large Datasets with Telerik UI Virtualization
68. Customizing the Data Source for Telerik UI Components
69. Creating Complex Filters in Telerik UI Grids
70. Implementing Custom Sorting Logic in Telerik UI
¶ Performance Optimization in Telerik UI
71. Optimizing Performance of Telerik UI Grids
72. Lazy Loading Data with Telerik UI Widgets
73. Handling Pagination and Infinite Scrolling in Telerik UI
74. Reducing Render Times with Telerik UI
75. Optimizing JavaScript for Telerik UI Performance
76. Efficiently Using Telerik UI with Large Data Sets
77. Memory Management for Complex Telerik UI Apps
78. Optimizing Telerik UI Charts for Real-Time Updates
79. Using Telerik UI’s Virtual Scrolling for Better Performance
80. Caching Data in Telerik UI for Improved Load Time
¶ Security and Access Control in Telerik UI
81. Securing Telerik UI Components in Web Applications
82. Implementing Role-Based Access Control (RBAC) with Telerik UI
83. Validating User Inputs in Telerik UI for Security
84. Cross-Site Scripting (XSS) Prevention with Telerik UI
85. Securing API Endpoints for Telerik UI Components
86. Using Authentication and Authorization in Telerik UI
87. Implementing Single Sign-On (SSO) with Telerik UI
88. Handling OAuth2 Integration with Telerik UI
89. Encrypting Data in Telerik UI Applications
90. Using CSP (Content Security Policy) with Telerik UI for Enhanced Security
¶ Advanced Telerik UI Integration and Deployment
91. Deploying Telerik UI Applications to Production
92. Optimizing Telerik UI for Mobile Devices and Tablets
93. Integrating Telerik UI with Cloud Services (e.g., AWS, Azure)
94. CI/CD for Telerik UI Apps: Best Practices
95. Handling Errors and Exceptions in Telerik UI Applications
96. Deploying Telerik UI Apps to Static Hosting Platforms
97. Using Telerik UI with Docker for Containerized Apps
98. Deploying Telerik UI Applications with Webpack
99. Monitoring Telerik UI Apps in Production
100. Scaling Telerik UI Applications for High-Traffic Websites