jQuery plugin that generates labels for inputs

jquery.createLabels.js

/**
 * A plugin to add labels for any kind of supported elements.
 *
 * @param settings
 * @returns {jQuery}
 */
$.fn.createLabels = function(settings) {

  var idAttr,
    result,
    $el,
    $label,
    $elColl = $(this),
    methods = {
      'checkIfHasLabel': function(id) {
        result = false;
        $label = $('label[for="' + id + '"]');

        if ($label.length > 0) {
          result = true;
        }

        return result;
      },
      'createLabel': function($current, id) {
        $label = $('<label>').attr({
          'for': id
        });

        if (settings.insert === 'after') {
          $label.insertAfter($current);
        } else if (settings.insert === 'before') {
          $label.insertBefore($current);
        }
      }
    };

  $elColl.each(function(key, value) {

    $el = $(value);
    idAttr = $el.attr('id');

    if (methods.checkIfHasLabel(idAttr) === false) {
      methods.createLabel($el, idAttr);
    }
  });

  return this;
};