jQuery Plugin Check Version

Question

When writing a new jQuery plugin is there a straightforward way of checking that the current version of jQuery is above a certain number? Displaying a warning or logging an

Answer 1

Instead of using parseInt as i saw in one of the answers above i would suggest to use parseFloat as mentioned below

  var _jQueryVer = parseFloat('.'+$().jquery.replace(/\./g, ''));
  /* Here the value of _jQueryVer would be 0.1012 if the jQuery version is 1.0.12
     which in case of parseInt would be 1012 which is higher than 
     140 (if jQuery version is 1.4.0) 
  */
  if(_jQueryVer < 0.130) { 
    alert('Please upgrade jQuery to version 1.3.0 or higher');
  }