JavaScript / HTML5 뉴스

PDF 내 주석 기능을 활성화하여 더 명확한 피드백을 제공하세요

4월 21, 2026
사용자가 문서 내에서 직접 메모, 하이라이트, 시각적 표시를 추가하여 피드백을 한 곳에서 명확하게 확인할 수 있도록 지원하세요.

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

리본 레이아웃으로 기능 접근을 최적화하세요

4월 17, 2026
명령, 입력, 컨트롤에 빠르게 접근할 수 있도록 리본 스타일 패턴을 사용하는 Vue.js 애플리케이션을 설계하세요.

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

실시간 게이지 인사이트로 주요 지표 추적

4월 17, 2026
현재 값을 명확하게 보여주고 시간에 따른 변화와 추세를 쉽게 파악할 수 있는 게이지 차트를 활용하여 핵심 데이터를 표현하세요.

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

JavaScript를 이용한 Excel XLSX 가져오기 및 내보내기

4월 17, 2026
이 온라인 튜토리얼을 통해 Excel이 설치되어 있지 않아도 SpreadJS를 사용해 스프레드시트를 열고 저장하는 방법을 배워보세요.

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.

조건부 서식으로 핵심 내용을 강조하세요

4월 16, 2026
그리드에서 조건부 서식으로 데이터 가시성을 개선하고, 시각적 신호를 통해 중요한 패턴과 이상 현상을 발견하세요.

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