tui-code-snippet/type/isHTMLNode.js

TOAST UI Utility: CodeSnippet

/**
 * @fileoverview Check whether the given variable is a instance of HTMLNode or not.
 * @author NHN FE Development Lab <dl_javascript@nhn.com>
 */

'use strict';

/**
 * Check whether the given variable is a instance of HTMLNode or not.
 * If the given variables is a instance of HTMLNode, return true.
 * @param {*} html - Target for checking
 * @returns {boolean} Is HTMLNode ?
 * @memberof module:type
 */
function isHTMLNode(html) {
  if (typeof HTMLElement === 'object') {
    return (html && (html instanceof HTMLElement || !!html.nodeType));
  }

  return !!(html && html.nodeType);
}

module.exports = isHTMLNode;