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Chart.js

105+ posts

How To Add Labels Into Chart.js Canvas Plugin?

Last Updated: 25 September 2024

Labels in Chart.js, especially in pie charts or bar charts, play a good role in making the data easier to represent. Adding labels provides context, and it also helps the ...read more

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How to Fix "Bar Chart Showing Old Data when Hovering" in ChartJS?

Last Updated: 25 September 2024

ChartJS is a popular open-source JavaScript library for creating a variety of charts, including lines, bars, pies, and more. It's used for its simplicity, flexibility, and...read more

Web Technologies

How to Fix Error: "category" Is Not A Registered Scale In Chart.js?

Last Updated: 09 September 2024

The error message "category" is not a registered scale in Chart.js typically occurs when you try to create a chart without properly registering the necessary components or...read more

Web Technologies

How To Clear Chart from Canvas and Disable Hover Events?

Last Updated: 09 September 2024

When working with Chart.js, a common requirement is to remove a chart from the canvas entirely, including disabling any hover or click events associated with the chart. Si...read more

Web Technologies

Charts.js Graph Not Scaling To Canvas Size

Last Updated: 08 September 2024

Chart.js is a popular open-source library for creating interactive and responsive charts on web pages. However, users often encounter an issue where the graph does not sca...read more

Web Technologies

How To Remove The Vertical Line In The ChartJS Line Chart?

Last Updated: 04 September 2024

Chart.js is a popular open-source JavaScript library that allows developers to create visually appealing, responsive charts. There are many types of charts like lines, bar...read more

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Web Technologies

How to Format Number in ChartJS?

Last Updated: 02 September 2024

Chart.js is a popular open-source JavaScript library. It helps to represent data in an easy-to-understand manner. Chart.js provides various ways to customize the number fo...read more

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Web Technologies

Chart.js Failed To Create Chart: can't acquire context from the given item

Last Updated: 31 August 2024

Chart.js is a popular JavaScript library used for creating interactive and visually appealing charts on the web. One common error developers encounter when using Chart.js ...read more

Web Technologies

How to Download Canvas as Image on Button Click in ChartJS?

Last Updated: 30 August 2024

In Chart.js, the charts that are generated can be converted and downloaded as images for easy sharing and reporting. By using built-in methods like toBase64Image() and the...read more

Web Technologies

How to Converte Chart.js Canvas Chart to Image using .toDataUrl() Results in Blank Image?

Last Updated: 28 August 2024

In Chart.js, we can convert the canvas chart into an image using the .toDataURL() method, which generates a base64-encoded data URL representing the chart. This allows us ...read more

Web Technologies

How To Remove Square Label From Tooltip And Make Its Information In One Line In ChartJS?

Last Updated: 27 August 2024

Square labels from tooltips are used in Chart.js to display colour indicators alongside data points, which can sometimes clutter the tooltip. To enable the tooltip and pre...read more

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How to Disable Everything on Hover in ChartJS?

Last Updated: 26 August 2024

Disabling all hover interactions in Chart.js involves configuring the chart to ignore hover events and disabling tooltips and legends. This makes sure that no visual or in...read more

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Web Technologies

How to Handle onClick Events on ChartJS Bar Charts in Chart.JS?

Last Updated: 26 August 2024

In Chart.js, we can add behavior to bar charts by handling onClick events. This allows developers to create interactive charts where specific actions are triggered when a ...read more

Web Technologies

Draw Horizontal Lines on Chart.js

Last Updated: 23 August 2024

Horizontal Lines on Chart.js are a useful way to enhance data visualization by providing reference lines at specific values across the chart. These lines can help highligh...read more

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How To Remove Line Chart Fill in ChartJS?

Last Updated: 23 August 2024

In Chart.js, the fill property for Line Chart allows you to control whether the area under the line is filled with color. By default, this property is set to true, which m...read more

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