JavaScript / HTML5のニュース

セル内データ入力で編集を高速化

9月 5, 2025
スプレッドシートで直接迅速な修正や詳細な調整を行い、データの精度とワークフローの効率を制御可能

In-cell data editing allows information to be modified directly within a spreadsheet cell rather than through separate forms or dialog boxes. This approach speeds up data entry, provides immediate visual feedback, and makes it easier to spot and correct mistakes in context. It enhances efficiency by reducing interruptions, lowering cognitive effort, and offering a familiar Excel-style experience. Common use cases include updating financial figures, adjusting inventory records, or revising project timelines where quick, accurate edits are essential.

Several JavaScript spreadsheet controls support in-cell data editing including:

  • Telerik Spreadsheet React lets users edit data directly within spreadsheet cells, enabling quick adjustments, streamlined workflows, and accurate real-time updates.
  • Wijmo FlexSheet by MESCIUS allows direct in-cell editing, giving developers Excel-like functionality with efficient data entry, contextual corrections, and improved productivity.
  • Jspreadsheet Pro enables in-cell editing within modern web applications, offering instant changes, enhanced usability, and efficient management of large datasets.
  • Infragistics Spreadsheet Angular facilitates editing directly in grid cells, supporting faster updates, reduced errors, and seamless interaction with surrounding dataset context.

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

Compare JavaScript Spreadsheet Controls

AIを使用してJavaScriptスプレッドシートを強化

9月 3, 2025
MESCIUS CodeClinicウェビナーでは、SpreadJSの新しいAIアシスタントアドオンをご紹介

SpreadJS is a complete enterprise JavaScript spreadsheet solution used to create financial reports and dashboards, budgeting and forecasting models, scientific, engineering, healthcare, education, science lab notebooks, and other similar JavaScript business applications. Leverage the high-speed calculation engine with over 500 Excel built-in functions in 19 languages, to deliver true Excel-like spreadsheet experiences with zero dependencies on Excel.

On August 21st, MESCIUS hosted a CodeClinic for the Developer Preview of the SpreadJS AI Add-on. Product Manager Chris Bannon demonstrated how to enhance your JavaScript spreadsheet applications with natural language formula generation, intelligent PivotTable creation, and AI-powered worksheet functions - all integrated directly into the spreadsheet UI.

The webinar includes the following key takeaways:

  • Use AI to generate and explain existing spreadsheet formulas.
  • Have AI generate PivotTables to give meaningful analysis to large datasets.
  • User AI within cells to do things like transition, gauge sentiment, and ask prompts based on spreadsheet data.

Watch the Webinar On-Demand and get ready to bring the power of AI to your JavaScript Spreadsheets.

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.

カレンダーコントロールで信頼性の高い日付入力を

9月 2, 2025
JavaScriptカレンダーコントロールは、Webベースのアプリケーションで日付選択を管理するための信頼性が高く直感的なソリューションを提供

JavaScript calendar controls are user interface components that allow users to select and edit date values directly within data editing environments, such as forms or grids. These controls typically integrate a visual calendar picker, enabling consistent and accurate date input while reducing manual entry errors. For developers, they simplify validation, support localization, and integrate with various data sources, helping ensure a more efficient and user-friendly experience in web applications that require date-related input or filtering.

Several JavaScript data editor collections offer calendar controls including:

  • DevExtreme Complete Data Editors (part of DevExteme Complete by DevExpress) lets you embed a calendar editor that maintains date-entry consistency in browser‑based apps.
  • KendoReact Data Editors (part of KendoReact by Telerik) allows integration of a responsive calendar for intuitive date selection, supporting customization and keyboard navigation.
  • Wijmo Input and Editors (part of Wijmo by MESCIUS) facilitates calendar‑based date editing within JavaScript UI inputs, ensuring accurate date selection across modern frameworks.
  • Infragistics Ignite UI for React Data Editors (part of Infragistics Ignite UI) facilitates the use of a built‑in calendar editor, enabling developers to deliver precise date input.

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

Compare JavaScript Data Editors

統合AIでアプリ開発を加速

9月 1, 2025
Telerik DevCraft 2025 Q3では、すべての主要なUIライブラリにAIコーディングアシスタントが追加され、IDEで直接特殊なコンテキスト認識コードを生成可能

DevCraft by Telerik is a comprehensive suite of more than 1,250 UI components and development tools designed for building modern web, desktop, and mobile applications using .NET and JavaScript frameworks. It includes reporting and report management solutions, automated testing and mocking tools, and document processing libraries, as well as a wide range of professionally designed user interface controls from the Telerik and Kendo UI suites. DevCraft enables developers to create feature-rich, high-performance applications with consistent design and user experience, delivering enterprise-level, scalable, and maintainable software solutions.

The Telerik DevCraft 2025 Q3 update extends the availability of the AI coding assistants to all of the major UI libraries. Along side Blazor and React, the AI Coding Assistant is now trained on and available for Kendo UI for Angular, Telerik UI for ASP.NET Core, UI for WPF, UI for WinForms and UI for .NET MAUI, as well as for Telerik Reporting and the Document Processing Libraries. These assistants are GitHub Copilot add-ins and MCP servers that provide context-aware and specialized AI-generated code directly in your IDE using natural language prompts, allowing developers to deliver high quality user interfaces and reporting functionality in web and desktop applications in much less time.

To see a full list of what's new in version 2025 Q3, see our release notes.

Telerik DevCraft is licensed per developer and has two licensing models: an annual Subscription License and a Perpetual License. The Subscription license provides access to the latest product updates, technical support, and exclusive benefits for a flat annual fee, and must be renewed to continue using the software. The Perpetual license is a one-time purchase granting access to the current released version and includes a one-year subscription for product updates and technical support. After this initial period, users can choose to renew the subscription element to continue receiving updates and support; otherwise, they may continue using the installed version available during their active subscription term but will forgo future updates and support. See our Telerik DevCraft Ultimate licensing page for full details.

Telerik DevCraft is available in the following editions:

複数の変数間の関係を強調表示

8月 29, 2025
多次元チャートは、複数の指標または軸にわたるパターンと傾向を明らかにするため、複雑なデータ分析に最適

Multi-dimensional and relationship charts allow developers to present complex data structures and inter-variable relationships in a way that’s visually intuitive and analytically powerful. These chart types are essential for exploring correlations, comparing grouped metrics, and visualizing distributions across multiple dimensions. They are commonly used in statistical dashboards, performance analysis tools, and scientific applications where simple line or bar charts aren’t sufficient to capture the full context of the data.

Common charts include:

  • Combination Charts allow developers to overlay different chart types, such as bars, lines, and areas, within a single axis system, enabling comparison across metrics with varying scales or data types.
  • Radar & Polar Charts display multivariate data in a circular format, ideal for comparing values across categories that share a common center point, such as performance metrics or skill assessments.
  • Radial Chart formats extend circular visualization into more structured layouts, such as radial bar or radial line charts, providing a compact and distinctive way to show cyclical data or category-based trends.
  • Scatter & Bubble Charts plot data along two or three axes, often using the size of bubbles to represent an additional variable, making them ideal for visualizing trends, clusters, and outliers in high-volume datasets.

For an in-depth analysis of features and price, visit our Angular Chart components comparison.

Explore Angular Standard Charts