lenye_base/drop_right.js

基础方法

'use strict';

/**
 * Returns a new array with n elements removed from the right.
 */
var dropRight = function (arr) {
  var n = arguments.length > 1 && arguments[1] !== undefined ? arguments[1] : 1;
  return arr.slice(0, -n);
};

module.exports = dropRight;