JavaScript / HTML5のニュース

データポイント間のバリエーションを視覚的に比較

2月 24, 2025
Angularアプリケーションに範囲棒グラフを装備すると、値の範囲を表示でき、価格などのメトリックの変動を視覚化可能

Range bar charts provide a way to visualize data that includes both minimum and maximum values. The bars displayed represent a value range, spanning between the minimum and maximum levels, rather than a single point. This type of chart makes it easier for users to compare variations across different categories or time periods, detect anomalies, and identify trends. This makes them particularly useful for scenarios where understanding variations within a range is important, such as stock price fluctuations, project timelines, or performance metrics. Their structured layout improves readability, making them a valuable tool in financial analysis, scheduling, and business intelligence applications.

Several Angular charting components provide you with range bar charts, including:

  • DevExtreme Chart (part of DevExtreme by DevExpress) allows developers to incorporate range bar charts into their Angular applications to effectively display data distributions.
  • Highcharts Stock by Highsoft supports Angular and provides interactive range bar charts, ensuring a seamless user experience when visualizing fluctuating values over time.
  • Kendo UI for Angular Chart (part of Kendo UI by Telerik) includes responsive, customizable range bar charts, enabling the clear visualization of minimum and maximum values.
  • Ignite UI for Angular Chart (part of Infragistics Ignite UI) facilitates the creation of dynamic range bar charts, ideal for Angular apps requiring variable data range monitoring.

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

Compare Angular Chart Components

生データをリアルタイムの更新でインサイトに変換

2月 24, 2025
Kendo UI for jQuery v2025 Q1では、データ駆動型のチャート作成のためのチャートウィザードが追加され、視覚化とワークフローの効率が向上しています。

Kendo UI by Telerik is a comprehensive suite of JavaScript UI components designed to accelerate web application development. Offering pre-built, customizable elements for grids, charts, schedulers, and more, it streamlines UI creation across popular frameworks like jQuery, Angular, React, and Vue. Key features include responsive design, accessibility, and high performance, enhancing user experience. Developers benefit from reduced development time, consistent UI patterns, and the ability to build feature-rich applications faster.

The Kendo UI for jQuery v2025 Q1 update introduces the Chart Wizard, a streamlined tool that simplifies chart creation by allowing developers to generate data-driven visualizations directly from grids, data-bound components, or external sources. This feature reduces manual configuration, enhances workflow efficiency, and ensures a seamless integration process, enabling developers to quickly transform raw data into meaningful insights while maintaining full customization control.

To see a full list of what’s new in v17.1.0 (2025 Q1), see our release notes.

Kendo UI 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 Kendo UI licensing page for full details.

Kendo UI is also available to buy individually or as part of:

効率的なUIのためにエクスポートオプションをカスタマイズ

2月 20, 2025
Stimulsoft Reports.PYTHON 2025.1.1では、ビューアでリストにないエクスポートを非表示にするオプションが追加され、合理化されたカスタマイズ可能なエクスポートオプションを追加

Stimulsoft Reports.PYTHON provides a collection of tools for creating, viewing, exporting, and printing reports within your Python applications. It allows you to connect to various data sources and leverage client-server technology for efficient report generation. Additionally, Stimulsoft offers powerful features for visualizing and analyzing your data.

The Stimulsoft Reports.PYTHON 2025.1.1 update introduces a new Export List Settings feature, allowing users to streamline the export options available in the Viewer. By using the new "Hide Unlisted Exports in The Viewer" parameter, developers can define which export formats are visible in the Save menu for reports and dashboards. This provides greater control over the user interface, enabling a more focused and tailored experience while maintaining flexibility to align with specific project requirements. By default, all export formats remain accessible, ensuring compatibility with existing setups.

To see a full list of what's new in 2025.1.1, see our release notes.

Stimulsoft Reports.PYTHON is licensed per developer and is available as a Perpetual license with 1 year support and maintenance. See our Stimulsoft Reports.PYTHON licensing page for full details.

Stimulsoft Reports.PYTHON is available individually or as part of Stimulsoft Ultimate.

画像変換によるPDFの高速化と保護

2月 19, 2025
PDFを画像に変換すると、速度、セキュリティ、互換性が向上し、すべてのプラットフォームでドキュメントの読み込み、共有、表示が容易に

Converting a PDF into an image format like PNG, JPEG, or TIFF improves performance by allowing documents to load instantly without requiring a dedicated PDF viewer. This is particularly useful for web applications, where rendering a full PDF can be slow and resource-intensive. Additionally, converting PDFs to images enhances security by preventing direct text extraction or modification, ensuring sensitive content remains intact. It also simplifies embedding and sharing, making documents more accessible across different devices and platforms. These benefits make PDF-to-image conversion a practical choice for optimizing document handling in modern applications.

Several PDF controls offer PDF to image conversion support including:

  • Wijmo PDF (part of Wijmo by MESCIUS) lets you convert PDFs to images in JavaScript, enabling fast rendering, seamless previews, and improved web performance.
  • Aspose.PDF for JavaScript via C++ enables high-quality PDF-to-image conversion, ensuring precise rendering, document accessibility, and easy integration into web applications.
  • IronPDF for Node.js by Iron Software facilitates efficient PDF-to-image transformation, offering flexible output formats, enhanced security, and optimized document display.

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

Compare JavaScript PDF Controls

Blazorを使用したExcel XLSXをインポート/エクスポート

2月 18, 2025
MESCIUSのSpreadJSを使用すると、BlazorアプリケーションでExcelファイルをインポートおよびエクスポートして、強力なスプレッドシート機能をWebに導入可能

SpreadJS by MESCIUS is a high-performance JavaScript spreadsheet component designed to seamlessly integrate Excel-like functionality into web applications. It empowers developers to deliver robust spreadsheet experiences within their applications, complete with features like data import/export, complex formulas, conditional formatting, and extensive customization options. SpreadJS caters to a wide range of use cases, from financial modeling and data analysis to project management and interactive dashboards, ultimately allowing developers to build feature-rich and user-friendly web applications.

In this blog post, MESCIUS Product Manager Kevin Ashley shows you how to use the powerful and extensible SpreadJS component to import and export Excel files. Steps include:

  • Creating the Blazor Application
  • Creating the SpreadJS Component
  • Adding SpreadJS Excel Import and Export
  • Adding the SpreadJS component to Home Page

Detailed source code is included and you can also download the sample app.

Read the full blog to get starting working directly with Excel files in your Blazor applications.

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.