simplified.js

/**
 * Takes two version numbers with multiple decimal points (e.g. '7.0.3') and
 * returns true if the first one is greater than or equal to the second.
 * 
 * @param v1 version that should be greater than or equal
 * @param v2 version that should be less than or equal
 * @returns {boolean} true if 'v1' >= 'v2'
 */
function is_version_gte(v1, v2) {
  var v1_parts = (v1 || 0).toString().split('.').map(function(s) {return parseInt(s)});
  var v2_parts = (v2 || 0).toString().split('.').map(function(s) {return parseInt(s)});

  for (var i = 0; i < v1_parts.length || i < v2_parts.length; ++i) {
    v1_parts[i] = v1_parts[i] || 0;
    v2_parts[i] = v2_parts[i] || 0;
    if (v1_parts[i] != v2_parts[i])
      return v1_parts[i] > v2_parts[i];
  }
  return true;  // all equal
}


/**
 * Takes two version numbers with multiple decimal points (e.g. 7.0.3) and
 * returns true if the first one is greater than or equal to the second.
 * @param v1
 * @param v2
 * @returns {boolean}
 */
function is_version_gte(v1, v2) {
  v1 = v1 || 0;
  v2 = v2 || 0;
  var v1 = v1.toString();
  var v2 = v2.toString();
  var v1_parts = v1.split('.');
  var v2_parts = v2.split('.');

  for (var i = 0; i < v1_parts.length; ++i) {

    if (v2_parts.length == i) {
      return true;
    }

    if (v1_parts[i] == v2_parts[i]) {
      continue;
    }
    else if (v1_parts[i] > v2_parts[i]) {
      return true;
    }
    else {
      return false;
    }
  }

  if (v1_parts.length != v2_parts.length) {
    return false;
  }
}