Ask Sencha AIExt JS is a popular JavaScript framework for creating robust enterprise-grade web and mobile applications. The framework offers a rich set of high-performance and fully-tested pre-built UI components (140+). These include menus, icons, buttons, carousels, sliders, and many more. Moreover, Ext JS offers one of the fastest JavaScript grids and supports a variety of charts […]
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JavaScript Data Structures You Need to Know: Arrays, Objects, Maps, and Sets
Data structures are one of the most important foundations in Enterprise software development. No matter what kind of application you build, you are constantly organizing, storing, retrieving, transforming, and displaying data. The better you understand JavaScript data structures, the better you can write code that is clean, efficient, and maintainable. For modern developers, four of […]
No Comments Read morePerformance Tuning Large Grids and Stores in Ext JS
Grids are where enterprise Ext JS applications live, and they are also where performance problems show up first. A screen that felt instant with 200 rows becomes sluggish with 20,000, and users blame the framework. In practice, the slowdown almost always comes from a handful of avoidable patterns: loading too much data, doing too much […]
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