Question

Let’s say I have this jQuery extension method:

$.fn.foobar = function() {
    var clone = this.parent().clone();
};

After I’ve gotten clone, how can I find the cloned child element that is the same as this?

Will this work?

$.fn.foobar = function() {
    var clone = this.parent().clone();
    var cloneOfThis = clone.find(this);
};

Or this?

$.fn.foobar = function() {
    var clone = this.parent().clone();
    var self = this;
    var cloneOfThis;
    clone.children().each(function() {
        var $this = $(this);
        if ($this === self) {
            cloneOfThis = $this;
        }
    });
};

Answer 1

You could try giving it some unique class that could be used to refer back to the proper element.

$.fn.foobar = function() {
      // Add a class to "this", then clone its parent
    var clonedParent = this.addClass("someUniqueClass").parent().clone();
      // Reference the new clone of "this" inside the cloned parent,
      //   then remove the class
    var cloneOfThis = clonedParent.find(".someUniqueClass").removeClass("someUniqueClass");
      // Remove the class from the original
    this.removeClass("someUniqueClass");
};