disappend by element code example
Example 1: javascript remove element
//remove a dom element
var element = document.getElementById("someId");
element.parentNode.removeChild(element);
//remove element from array
var colors=["red","green","blue","yellow"];
var blue=colors.splice(2, 1);//first arg is array index to remove
//colors is now ["red","green","yellow"]
Example 2: delete div based on select
$('#record_nav ul li').on('click', function(e){
$('#record_nav ul li.selected').removeClass('selected');
$(this).addClass('selected');
$('.content').hide();
var id = $(this).data('target');
$(id).show();
});