Reverse the order of the children of Node (document) : Document « Development « JavaScript DHTML

Reverse the order of the children of Node (document)

Examples From
JavaScript: The Definitive Guide, Fourth Edition

Legal matters: these files were created by David Flanagan, and are
Copyright (c) 2001 by David Flanagan.  You may use, study, modify, and
distribute them for any purpose.  Please note that these examples are
provided "as-is" and come with no warranty of any kind.

David Flanagan
function reverse(n) {          // Reverse the order of the children of Node n
    var kids = n.childNodes;   // Get the list of children
    var numkids = kids.length; // Figure out how many there are
    for(var i = numkids-1; i >= 0; i--) {  // Loop through them backwards
        var c = n.removeChild(kids[i]);    // Remove a child
        n.appendChild(c);                  // Put it back at its new position
<p>paragraph #1<p>paragraph #2<p>paragraph #3  <!-- A sample document -->
<p>                                    <!-- A button to call reverse()-->
<button onclick="reverse(document.body);"
>Click Me to Reverse</button>


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