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
}