text: 'use strict';
  
  if( 'isNumber' in Object.prototype === false ) {
      /**
       * @summary Return true if the element is a number, else returns false.
       * @returns {Boolean}
       * @example Number(42).isNumber() // true
       * @example [42].isNumber() // false
       * @since 0.1.0
       * @see https://cdn.rawgit.com/stellar-labs/prototype-storm/master/dist/is-number.min.js
       * @see https://github.com/stellar-labs/prototype-storm/blob/master/src/js/is-number.js
       * @see https://github.com/stellar-labs/prototype-storm/blob/master/test/is-number.js
       */ 
      Object.prototype.isNumber = function() {
          // Number
          if( this.constructor === Number ) {
              return true;
          }
  
          return false;
      };
  }
  
  export default Object.prototype.isNumber;