Nouvelles JavaScript / HTML5

Activez les annotations en PDF pour des retours plus clairs

Avril 21, 2026

Permettez aux utilisateurs d’ajouter des notes, de surligner et de placer marqueurs visuels directement dans les documents, pour que les révisions soient claires et unifiées.

Annotation capabilities in PDF Viewer components allow users to interact with documents through visual and textual markup, supporting review, collaboration, and documentation processes. Tools such as Line, Rectangle, and Free text help highlight structure and add clarity, while Sticky note and Stamp annotations provide contextual feedback and status indicators. By embedding these capabilities directly into a viewer, applications can offer a cohesive experience for editing and reviewing PDFs without requiring external software.

Common annotations include:

Ellipse annotations offer a circular or oval shape tool for highlighting regions in a less rigid form than rectangular annotations.
Free text annotations let users insert editable text anywhere on the page for inline commentary or corrections.
Freehand draw (Ink) annotations enable natural, pen-like input for signatures, sketches, or handwritten notes.
Line annotations allow users to draw straight connectors or highlights between points, often used for pointing out relationships or alignment.
Rectangle annotations provide a way to frame areas of interest, making it useful for emphasizing sections of a page.
Stamp annotations apply predefined or custom labels, such as approval or review statuses, directly onto the document.
Sticky note annotations add comment markers that can store detailed feedback without cluttering the document visually.

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

Explore JavaScript PDF Annotation Features

Optimisez l’accès aux fonctionnalités avec la mise en page des rubans

Avril 17, 2026

Concevez des applications Vue.js qui utilisent un motif de type ruban pour organiser les commandes, les entrées et les contrôles pour un accès plus rapide.

Ribbon bars are graphical user interface (GUI) patterns that organize commands and features into a series of tabs, each containing grouped controls such as buttons, dropdowns, and galleries. Widely adopted in modern software applications, ribbons present functionality in a structured and visually accessible layout to improve discoverability. This approach reduces reliance on deeply nested menus and toolbars, enabling users to locate relevant tools more quickly based on context.

Several Vue.js user interface suites provide ribbon functionality, including:

Wijmo by MESCIUS enables ribbon-style interfaces using components such as TabPanel to organize commands into tabs with grouped controls.
jQWidgets provides a ribbon-like structure, which offers tabbed navigation and allows developers to embed toolbars, buttons, and layouts to create grouped command areas.
SmartClient by Isomorphic Software supports ribbon-style interfaces, allowing developers to construct tabbed navigation with organized command groups.

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

Compare Vue.js UI Suites

Suivez les indicateurs essentiels avec des données de jauge en temps réel

Avril 17, 2026

Présentez les données essentielles avec des graphiques de type jauge qui montrent clairement les valeurs actuelles et facilitent la détection des changements et des tendances au fil du temps.

Gauge charts are data visualizations that display a single value within a defined range, making it easy to understand status or progress at a glance. Often styled like a speedometer, they show where a value sits between minimum and maximum thresholds, using color to indicate different levels. This provides clear, immediate insight without detailed analysis. Key benefits include quick understanding, intuitive design, and strong visual emphasis on limits or targets. Gauge charts are commonly used in dashboards to track KPIs, monitor targets, show completion percentages, or highlight key metrics in a simple and effective way.

Several React charting components also offer gauges, including:

DevExtreme React Chart (part of DevExtreme Complete by DevExpress) lets you create responsive gauge charts that display values within ranges, helping visualize thresholds.
Highcharts Core allows you to build interactive gauge charts with smooth animations and custom styling to present key values in an intuitive format.
FusionCharts Suite XT facilitates rich gauge charts with clear indicators and flexible configurations, making it easy to communicate values and ranges visually.
JSCharting lets you design versatile gauge charts that highlight data within defined limits, supporting clear visual feedback and easy interpretation.

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

Compare React Chart Components

Importez et exportez des fichiers Excel XLSX en utilisant JavaScript

Avril 17, 2026

Parcourez ce tutoriel en ligne pour apprendre à utiliser SpreadJS afin d’ouvrir et d’enregistrer des feuilles de calcul sans qu’Excel soit installé.

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.

In this online tutorial from MESCIUS, you will learn the critical steps allowing you to import/export XLSX files using JavaScript. Steps include:

Set up the JavaScript Spreadsheet Project
Add Excel import code
Add Excel export code
Include extra features, such as Charts, Shapes, and PivotTables

Detailed sample code is included to help you along the way.

View the tutorial now and get started working with spreadsheet files in your JavaScript 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.

Mettez en évidence les principales idées grâce à la mise en forme conditionnelle

Avril 16, 2026

Améliorez la visibilité des données avec un formatage conditionnel dans les grilles, en utilisant des indices visuels pour mettre en avant des motifs et anomalies importants.

Conditional formatting in grids automatically applies visual styles such as colors or icons based on defined rules, making it easier to interpret large datasets at a glance. It improves readability, highlights patterns and outliers, and supports faster, more informed decision making by surfacing key insights in real time. Common use cases include flagging budget issues in financial reports, emphasizing top performing sales data, monitoring KPIs, and drawing attention to errors or critical statuses in operational tools.

Several JavaScript grid controls offer conditional formatting, including:

KendoReact Data Grid (part of KendoReactby Telerik) lets you apply conditional formatting rules to style cells, highlighting trends, outliers, and key values for better insights.
FusionGrid by FusionCharts facilitates real time conditional formatting in large datasets, helping users quickly spot trends, exceptions, and performance indicators.
Handsontable by Handsoncode allows you to visually emphasize important data using conditional formatting, improving readability and enabling faster identification of patterns.
ZingGrid lets you customize conditional formatting rules to automatically highlight critical data points, enhancing usability and supporting faster, more informed decision making.

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

Compare JavaScript Grid Controls