How to use bar charts to display data in Highcharts-JS Tutorial-php.cn

Home

Web Front-end

JS Tutorial

How to use bar charts to display data in Highcharts

王林

Dec 17, 2023 pm 09:06 PM

Bar charthighchartsData Display

How to use bar charts to display data in Highcharts

Highcharts is a powerful, flexible and easy-to-use data visualization library that can be used to create various types of data in web pages. Various interactive charts. Among them, bar charts are a common form of data display that can clearly compare the size of data in different categories. This article will introduce how to use Highcharts to create bar charts and provide specific code examples.

Step 1: Prepare HTML file
First, you need to introduce the Highcharts library file into the HTML file. Highcharts can be introduced by downloading or directly using CDN. The following is the basic structure code of a simple HTML file:

<!DOCTYPE html>
<html>
<head>
  <title>使用条形图展示数据</title>
  <script src="https://code.highcharts.com/highcharts.js"></script>
</head>
<body>
  <div id="container"></div>
  <script src="app.js"></script>
</body>
</html>

Step 2: Write JavaScript code
Next, you need to write JavaScript code to define the configuration and data of the bar chart. Create a file named app.js and write the following code in it:

// 定义数据
var data = [
  {
    name: '类别一',
    value: 10
  },
  {
    name: '类别二',
    value: 20
  },
  {
    name: '类别三',
    value: 30
  }
];

// 创建条形图的配置
var options = {
  chart: {
    type: 'column'
  },
  title: {
    text: '条形图示例'
  },
  xAxis: {
    categories: data.map(item => item.name)
  },
  yAxis: {
    title: {
      text: '数值'
    }
  },
  series: [{
    name: '数据',
    data: data.map(item => item.value)
  }]
};

// 创建条形图
Highcharts.chart('container', options);

In the above code, an array containing data is first defined. Each piece of data contains a name and a value. Then, a configuration object named options is created, which specifies various properties of the bar chart, such as chart type, title, x-axis and y-axis, etc. Finally, use the Highcharts.chart method to render the chart in the div element with the id container.

Step 3: Run the HTML file
After completing the preparations in the first two steps, run the HTML file in the browser to see the display effect of the bar chart. The chart will be rendered based on the data we defined in the JavaScript code.

Summary:
This article introduces how to use Highcharts to create bar charts and provides specific code examples. In practical applications, the above code can be used as the basis and modified and expanded accordingly according to actual needs. Highcharts' powerful functions and flexible configuration options allow us to easily create a variety of beautiful charts for displaying and analyzing data.

The above is the detailed content of How to use bar charts to display data in Highcharts. For more information, please follow other related articles on the PHP Chinese website!

Statement

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn

JavaScript in Action: Real-World Examples and ProjectsApr 19, 2025 am 12:13 AM

JavaScript's application in the real world includes front-end and back-end development. 1) Display front-end applications by building a TODO list application, involving DOM operations and event processing. 2) Build RESTfulAPI through Node.js and Express to demonstrate back-end applications.

JavaScript and the Web: Core Functionality and Use CasesApr 18, 2025 am 12:19 AM

The main uses of JavaScript in web development include client interaction, form verification and asynchronous communication. 1) Dynamic content update and user interaction through DOM operations; 2) Client verification is carried out before the user submits data to improve the user experience; 3) Refreshless communication with the server is achieved through AJAX technology.

Understanding the JavaScript Engine: Implementation DetailsApr 17, 2025 am 12:05 AM

Understanding how JavaScript engine works internally is important to developers because it helps write more efficient code and understand performance bottlenecks and optimization strategies. 1) The engine's workflow includes three stages: parsing, compiling and execution; 2) During the execution process, the engine will perform dynamic optimization, such as inline cache and hidden classes; 3) Best practices include avoiding global variables, optimizing loops, using const and lets, and avoiding excessive use of closures.

Python vs. JavaScript: The Learning Curve and Ease of UseApr 16, 2025 am 12:12 AM

Python is more suitable for beginners, with a smooth learning curve and concise syntax; JavaScript is suitable for front-end development, with a steep learning curve and flexible syntax. 1. Python syntax is intuitive and suitable for data science and back-end development. 2. JavaScript is flexible and widely used in front-end and server-side programming.

Python vs. JavaScript: Community, Libraries, and ResourcesApr 15, 2025 am 12:16 AM

Python and JavaScript have their own advantages and disadvantages in terms of community, libraries and resources. 1) The Python community is friendly and suitable for beginners, but the front-end development resources are not as rich as JavaScript. 2) Python is powerful in data science and machine learning libraries, while JavaScript is better in front-end development libraries and frameworks. 3) Both have rich learning resources, but Python is suitable for starting with official documents, while JavaScript is better with MDNWebDocs. The choice should be based on project needs and personal interests.

From C/C to JavaScript: How It All WorksApr 14, 2025 am 12:05 AM

The shift from C/C to JavaScript requires adapting to dynamic typing, garbage collection and asynchronous programming. 1) C/C is a statically typed language that requires manual memory management, while JavaScript is dynamically typed and garbage collection is automatically processed. 2) C/C needs to be compiled into machine code, while JavaScript is an interpreted language. 3) JavaScript introduces concepts such as closures, prototype chains and Promise, which enhances flexibility and asynchronous programming capabilities.

JavaScript Engines: Comparing ImplementationsApr 13, 2025 am 12:05 AM

Different JavaScript engines have different effects when parsing and executing JavaScript code, because the implementation principles and optimization strategies of each engine differ. 1. Lexical analysis: convert source code into lexical unit. 2. Grammar analysis: Generate an abstract syntax tree. 3. Optimization and compilation: Generate machine code through the JIT compiler. 4. Execute: Run the machine code. V8 engine optimizes through instant compilation and hidden class, SpiderMonkey uses a type inference system, resulting in different performance performance on the same code.

Beyond the Browser: JavaScript in the Real WorldApr 12, 2025 am 12:06 AM

JavaScript's applications in the real world include server-side programming, mobile application development and Internet of Things control: 1. Server-side programming is realized through Node.js, suitable for high concurrent request processing. 2. Mobile application development is carried out through ReactNative and supports cross-platform deployment. 3. Used for IoT device control through Johnny-Five library, suitable for hardware interaction.

See all articles