The IDEFAULT_CHART_ATTRIBUTES constant is defined in the js/js-chart-common.js file.

The constant defines the default values to be used when parsing and initializing chart attributes.

The IDEFAULT_CHART_ATTRIBUTES constant defines one element for each supported chart attribute.

const IDEFAULT_CHART_ATTRIBUTES = {

...

    "type": {
        "default": "pie",
        "control": "dropdown",
        "label": "Chart type",
        "description": "The <strong>type</strong> attribute specifies the type of chart to render."
    },

...

}

The child elements for each key is explained below.

• default - Defines the default value that is assigned to the attribute. Override the default value using chart attributes.
• control - Describes the type of input element that should be used to control the attribute on the chart options menu. Valid options are:
  • text - Textbox control for string and numeric inputs.
  • dropdown - Dropdown (HTML select) control for multiple coice options.
  • checknox - Checknox control for boolean inputs.
• label - Define the label that will be used to describe the attribute on the chart options menu.
• description - Define a general description for the attribute that will be used in tooltips and help documents.

Refer to the following resources for additional reading material.

• See the 🗂️ Chart Types page for a list of chart types that are supported by js-charts.
• Read more about 🧰 Chart Attributes and how they change the behaviour of a chart.
• Refer to the 🛠️ Style Templates page for a detailed list of style templates that are supported out-of-the-box.
• Learn how to customize the look of a chart by using 🗨️ Style Directives.