tui-code-snippet/domUtil/hasClass.js

TOAST UI Utility: CodeSnippet

/**
 * @fileoverview Check element has specific css class
 * @author NHN FE Development Lab <dl_javascript@nhn.com>
 */

'use strict';

var inArray = require('../array/inArray');
var getClass = require('./getClass');

/**
 * Check element has specific css class
 * @param {(HTMLElement|SVGElement)} element - target element
 * @param {string} cssClass - css class
 * @returns {boolean}
 * @memberof module:domUtil
 */
function hasClass(element, cssClass) {
  var origin;

  if (element.classList) {
    return element.classList.contains(cssClass);
  }

  origin = getClass(element).split(/\s+/);

  return inArray(cssClass, origin) > -1;
}

module.exports = hasClass;