@zkochan/pnpm/cached_node_modules/dom101/add-class.js

A fast implementation of npm install

/**
 * addClass : addClass(el, className)
 * Adds a class name to an element. Compare with `$.fn.addClass`.
 *
 *     var addClass = require('dom101/add-class');
 *
 *     addClass(el, 'active');
 */

function addClass (el, className) {
  if (el.classList) {
    el.classList.add(className);
  } else {
    el.className += ' ' + className;
  }
}

module.exports = addClass;