Node.hasAttributes
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.
hasAttributes属性返回一个布尔值true或false,来表明当前元素节点是否有至少一个的属性 (attribute).
语法
js
hasAttributes()
示例
js
var t1 = document.getElementById("table-data");
if (t1.hasAttributes()) {
// 可以用 t1.attributes 来读取该元素的所有属性
}