JavaScript / HTML5 新聞

用互動式樞紐圖視覺化趨勢

12月 23, 2025
JavaScript UI 套件中的樞紐圖元件簡化了複雜的資料視覺化，從而提供靈活的分析能力。

A pivot chart is a dynamic data visualization tool that works in conjunction with a pivot table to present summarized data in a graphical format. It allows users to interactively explore and analyze large datasets by adjusting dimensions such as categories, series, and filters without modifying the underlying data. By visually representing trends, comparisons, and patterns, pivot charts help users make data-driven decisions more efficiently. They are especially useful in business intelligence and reporting scenarios where clarity and flexibility in viewing aggregated data are essential.

Several JavaScript UI suites provide you with pivot chart functionality, including:

  • DevExtreme Complete lets you integrate pivot‑style data summarization with interactive charts where grid data drives visual analytics in JavaScript apps.
  • Wijmo by MESCIUS lets you bind its OLAP and PivotChart controls so pivot‑engine summaries feed FlexChart visuals that display the selected aggregated values.
  • SmartClient by Isomorphic Software lets you visualize multi‑dimensional pivot data with its chart components, enabling dynamic pivoting and summary chart updates.
  • Syncfusion Essential Studio Enterprise allows developers to display aggregated pivot table results in interactive pivot charts with multiple types, drill‑down, and customization.

For an in-depth analysis of features and price, visit our comparison of UI suites.

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用無線電組確保有效的資料登錄

12月 19, 2025
在 JavaScript 應用程式中使用直覺式的無線電群組控制項，允許從預設資料集中選擇單一值。

A radio group in data editing refers to a set of mutually exclusive options presented as selectable buttons, where only one option can be active at a time. It is typically used in user interfaces to enforce a single selection from a predefined set of values, which helps reduce input errors and ensures data consistency. By visually grouping related choices and clearly indicating the selected value, a radio group simplifies decision-making for users and speeds up data entry. This control is especially useful in forms and configuration settings where a user must choose one valid option from several possibilities.

Several JavaScript data editor collections provide support for radio groups, including:

  • DevExtreme Angular Data Editors (part of DevExtreme Complete by DevExpress) lets you create radio groups with custom layouts, dynamic data binding, and intuitive selection.
  • KendoReact Data Editors (part of KendoReact by Telerik) provides fully accessible radio group components with flexible styling options and easy integration into React apps.
  • Infragistics Ignite UI for Angular Data Editors (part of Infragistics Ignite UI) offers configurable radio group functionality with straight-forward data mapping.
  • Syncfusion JavaScript Data Editors (part of Syncfusion Essential Studio Enterprise) includes customizable radio group controls for smooth interaction across major web frameworks.

For an in-depth analysis of features and price, visit our comparison of JavaScript data editors.

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支援即時試算表協作

12月 19, 2025
SpreadJS 19 透過一個新的伺服器外掛程式對協作工作提供支援，該外掛程式允許多個使用者同時編輯同一個試算表。

SpreadJS is a JavaScript spreadsheet and data visualization component built to deliver Excel-compatible functionality within web applications. It provides a flexible, high-performance interface for displaying and manipulating tabular data, supporting advanced features such as formulas, pivot tables, charts, conditional formatting, and data binding. SpreadJS integrates smoothly with popular frameworks like React, Angular, and Vue, and includes robust import and export capabilities for Microsoft Excel files. It is commonly used in enterprise applications where users need a responsive, interactive spreadsheet experience directly in the browser.

The SpreadJS 19.0.0 update introduces a new Collaboration Server Add‑on that enables real‑time, multi‑user editing of the same spreadsheet within web applications by integrating the collaboration framework and server infrastructure directly into SpreadJS. This add‑on lets developers build functionality where multiple clients see and apply changes instantly to workbook data with consistent state across users, supports conflict‑free concurrent edits using Operational Transformation logic, and includes features such as live user presence and permission controls.

To see a full list of what's new in 19.0.0, see our release notes.

SpreadJS is licensed per developer and includes 1 Year Maintenance (major and minor version releases and unlimited support phone calls). SpreadJS requires an Annual or Perpetual Deployment License. The optional Add-ons are available at an additional cost, and require a SpreadJS license. See our SpreadJS licensing page for full details.

For more information, visit our SpreadJS product page.

用目標驅動的子彈圖顯示進展

12月 18, 2025
在簡潔的子彈圖中比較預算、預測和實際值，以暫態發現差異，清晰跟蹤目標的進展。

Bullet charts are goal-oriented visualizations that compare actual performance against targets and benchmarks such as budget and forecast values in a single, easy-to-read view. They offer a clear alternative to gauges and meters by showing progress toward goals while making variances and shortfalls immediately obvious. By presenting multiple reference points together, bullet charts help stakeholders interpret performance quickly and consistently across metrics. Common use cases include financial reporting, sales and margin tracking, KPI dashboards, operational scorecards, and executive summaries where fast, reliable comparisons support better decision-making.

Several JavaScript chart controls offer bullet chart support including:

  • Highcharts Core by Highsoft lets you build bullet charts comparing performance against targets with interactive tooltips, responsive layouts, and customization.
  • KendoReact Charts (part of KendoReact by Telerik) allows you to render bullet charts, emphasizing KPIs, qualitative ranges, and accessibility-friendly components.
  • amCharts 5: Charts facilitates modern bullet charts with animated transitions, flexible axes, precise benchmarks, and theming for data-driven dashboards applications.
  • Syncfusion JavaScript Charts (part of Syncfusion Essential Studio Enterprise) lets you create bullet charts showcasing targets, ranges, and actuals.

For an in-depth analysis of features and price, visit our JavaScript bullet chart controls comparison.

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用虛擬滾動優化大型資料網格

12月 17, 2025
只渲染使用者看到的內容，以最大化速度、減少記憶體使用量，並在任何尺度下保持網格交互的平滑。

Virtual scroll support in a grid component is a rendering strategy that displays only the rows and columns currently visible in the viewport while dynamically loading and unloading data as the user scrolls. It minimizes DOM size and memory usage by avoiding the creation of off-screen elements, which improves rendering speed, reduces layout thrashing, and maintains smooth interaction even with very large datasets. This approach enables grids to handle millions of records efficiently without requiring pagination, lowers CPU and GPU load, and delivers consistent performance across a wide range of devices.

Several React grid controls offer virtual scroll capability including:

  • DevExtreme React Data Grid (part of DevExtreme Complete by DevExpress) lets you render only visible records offering excellent performance for displaying thousands of data rows.
  • KendoReact Data Grid (part of KendoReact by Telerik) allows you to virtualize grid content for rapid scrolling and reduced DOM overhead with large datasets.
  • Wijmo React DataGrid (FlexGrid) (part of Wijmo by MESCIUS) facilitates virtual scrolling that loads data on demand, minimizing rendering work and preserving fluid navigation.
  • Infragistics Ignite UI for React Data Grid (part of Infragistics Ignite UI) enables row and column virtualization to significantly boost performance for large datasets.

For an in-depth analysis of features and price, visit our React grid controls comparison.

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