foop
Version:
interfaces that describe their intentions.
33 lines (30 loc) • 896 B
JavaScript
const isObjectNotNull = require('./objNotNull')
const isPlainObject = require('./objPlain')
/**
* Checks if `x` is likely a DOM element.
*
* @since 5.0.0-beta.5
* @fork 0.1.0
* @category Lang
* @param {*} x The x to check.
* @return {boolean} Returns `true` if `x` is a DOM element, else `false`.
*
* {@link https://github.com/sstephenson/prototype/blob/master/src/prototype/lang/object.js#L347 prototype-is-element}
* {@link https://github.com/lodash/lodash/blob/master/isElement.js lodash-is-element}
* @see {@link lodash-is-element}
* @see {@link prototype-is-element}
*
* @example
*
* isElement(document.body)
* //=> true
*
* isElement('<body>')
* //=> false
*
*/
function isElement(x) {
// typeof HTMLElement === 'object' ? o instanceof HTMLElement : // DOM2
return isObjectNotNull(x) && x.nodeType === 1 && !isPlainObject(x)
}
module.exports = isElement