HTMLMapElement：areas 属性
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
HTMLMapElement 接口的 areas 只读属性返回关联 元素的 元素集合。
值
一个包含 HTMLAreaElement 元素的 HTMLCollection 对象。
示例
html
js
const mapElement = document.getElementById("image-map");
const outputElement = document.querySelector("output");
for (const area of mapElement.areas) {
area.addEventListener("click", (event) => {
outputElement.textContent = `你点击了${area.alt}区域。\n\n`;
});
}
结果
规范
| Specification |
|---|
| HTML # dom-map-areas-dev |