JavaScript: Read TextContent from a tag and re-inject it as a HTML Script Element (blogger-plugins)

google-blogger-reinject-javascript.js

//www.lsauer.com, lo sauer 2013
//descr: looks for <code tags> and reinjects their content as a <script> Element;
//       allows XHTML compliance with CDATA Containers
//from is-lib: DOMInsertScript

/* add this somewhere in your Blogger template*/
var bloggerplugins = bloggerplugins || {};
bloggerplugins.codetoscript = (function($, allowTextnode){
  return function(){
    var DOMInsertScript = function (str, toel) {
        var el = document.createElement('script');
        var attronload = toel.getAttribute('onload');
        el.setAttribute('data-injected', 'true');
        el.setAttribute('type', 'text/javascript');
        if (!toel) {
            toel = 'body'
        };
        el.textContent = str;
        if(attronload){
          el.setAttribute('onload', attronload);
        }
        (typeof toel == "string" ? document.querySelector(toel).parentNode : toel.parentNode).appendChild(el);
        return el;
    };
    var _$ = $, istxt = allowTextnode;
    _$('code[data-store]').each(
        function (idx, el) {
            //alternatively: el.childNodes.length
            var leafs = Array.apply(this, el.childNodes);
            //whitespaces between the container lead to additional Textnodes
            for (var ei = 0,val = null; ei < leafs.length; ei++) {
                val = leafs[ei];
                if (val.nodeType == HTMLElement.COMMENT_NODE 
                || val.nodeType == HTMLElement.CDATA_SECTION_NODE 
                || (istxt && val.nodeType == HTMLElement.TEXT_NODE)) {
                    DOMInsertScript(val.data, el);
                }
            }
        }
    );
  }
})(jQuery, true);
setTimeout(bloggerplugins.codetoscript, 2500);

google-blogger-reinject-template.css

/*lsauer.com 2013 - add this to the Template's CSS. 
See this how-to: http://www.lsauer.com/2013/11/add-your-personal-stackoverflow-flair.html*/
code[data-store] {
  display:none;
}