createscriptnode.js

var createScriptNode = (function() {
  var testScr = document.createElement("script"),
      property = "innerHTML";
  testScr.type = "text/javascript";
  try {
    testScr.text = ";";
    property = "text";
  }
  catch(e) {}
  return function(code) {
    var scr = document.createElement("script");
    scr.type = "text/javascript";
    scr[property] = code;
    return scr;
  }
})();

var evalJSON = function(jsonString) {
  var exec = ["window.results =", jsonString],
      node = createScriptNode(exec),
      results;
  document.body.appendChild(node);
  results = window.results;
  delete window["results"];
  return results;
};

innerhtml.js

function createScriptNode(code) {
  var scr = document.createElement("script");
  scr.type = "text/javascript";
  scr.innerHTML = code;
  return scr;
}

innerhtml_text.js

function createScriptNode(code) {
  var scr = document.createElement("script");
  scr.type = "text/javascript";
  try {
    scr.text = code;
  }
  catch(e) {
    try {
      scr.innerHTML = code;
    }
    catch(ee) {
      return false;
    }
  }
  return scr;
}