tui-code-snippet/type/isNull.js

TOAST UI Utility: CodeSnippet

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

'use strict';

/**
 * Check whether the given variable is null or not.
 * If the given variable(arguments[0]) is null, returns true.
 * @param {*} obj - Target for checking
 * @returns {boolean} Is null?
 * @memberof module:type
 */
function isNull(obj) {
  return obj === null;
}

module.exports = isNull;