Function: isElement()

function isElement(value): value is Element | HTMLDocument;

Checks whether a value is a DOM Element or HTMLDocument. 检查值是否为 DOM Element 或 HTMLDocument。

Parameters

Parameter	Type	Description
value	unknown	The value to check / 要检查的值

Returns

value is Element | HTMLDocument

true when the value is a DOM element / 值是 DOM 元素时返回 true

Example

isElement(document.body)
// => true

Since

1.0.0