-
headingLevel
Number
- 自从:ArcGIS 适用于 JavaScript 4.20 的 API
指示在 BasemapGallery 中没有可用底图时用于消息“没有可用底图”的标题级别。默认情况下,此消息呈现为 2 级标题(例如
<h2>No basemaps available</h2>
)。根据小部件在您的应用中的位置,您可能需要调整此标题以获得正确的语义。这对于满足可访问性标准很重要。默认值:2
例子:
// "No basemaps available" will render as an <h3> basemapGallery.headingLevel = 3;
基本信息
以下是所在类或对象的基本信息。
AMD:
require(["esri/widgets/BasemapGallery"], (BasemapGallery) => { /* code goes here */ });
ESM:
import BasemapGallery from "@arcgis/core/widgets/BasemapGallery";
类:
esri/widgets/BasemapGallery
继承: BasemapGallery > Widget > Accessor
自从:用于 JavaScript 4.3 的 ArcGIS API
用法说明
esri/widgets/BasemapGallery.headingLevel
函数(或属性)的定义如下:
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注:本文由纯净天空筛选整理自arcgis.com大神的英文原创作品 esri/widgets/BasemapGallery.headingLevel。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。