ProfessionalWiki / Bootstrap

(function ($) {

  if (typeof $ === 'undefined') {

    throw new TypeError('Bootstrap\'s JavaScript requires jQuery. jQuery must be included before Bootstrap\'s JavaScript.');

  }

  var version = $.fn.jquery.split(' ')[0].split('.');

  var minMajor = 1;

  var ltMajor = 2;

  var minMinor = 9;

  var minPatch = 1;

  var maxMajor = 4;

  if (version[0] < ltMajor && version[1] < minMinor || version[0] === minMajor && version[1] === minMinor && version[2] < minPatch || version[0] >= maxMajor) {

    throw new Error('Bootstrap\'s JavaScript requires at least jQuery v1.9.1 but less than v4.0.0');

  }

})($);