javascript - remove an .append() to return an element to it's original state -

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i'm loading ul image slider need remove images (ul) , revert original state (before javascript manipulations) when slider closed because later need reload ul set of different images.

here how i'm loading slider. 

 var get_images = [ "show_1.jpg", "show_2.jpg", "show_3.jpg", "show_4.jpg"];   $.each(get_images, function(i,img){  $('#container ul').append('<li><a href="#" class="thumbnail"><img src="'+img+'"/></a></li>');  });

i think might looking for:

var get_images = ["show_1.jpg", "show_2.jpg", "show_3.jpg", "show_4.jpg"]; var original = $('#container ul').html(); $.each(get_images, function (i, img) {     $('#container ul').append('<li><a href="#" class="thumbnail"><img src="' + img + '"/></a></li>'); }); $("#revert").click( function() {     $('#container ul').html(original); });

the revert button demonstration purposes. idea save original content can revert later if needed.

fiddle


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