javascript - Possible preventing repaint when dynamically inserting script? -

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as i've understood browser freeze dom rendering when sees script tag , continues once has processed it. when inserted external javascript file (typekit) directly in html seemed case, i'm including dynamically causes repaint of window. possible fixing issue?

i'm playing around yui3 , yes know y.get.script works wanted try without framework well. using framework function causes same sort of repaint.

live example:

with loader: http://oxy.fi/oxy/ (and oxy/without_loader.php, not allowed post more 1 link)

yui().use(function(y) {  var modules = {         modernizr: {             head: true,             js: ["scripts/modernizr-1.5.min.js"]         },         typekit: {             head: true,             js: ["http://use.typekit.com/xxxxxxx.js"],             onsuccess: function () { try{ typekit.load(); } catch (e) {} }         } };  for(var index in modules) {      var module = modules[index],         css = module.css,         js = module.js;      delete module.js;     delete module.css;      if(module.head) {         var head = document.getelementsbytagname('head')[0],             i=0;          while(js[i]) {             var script = document.createelement("script");              script.type = "text/javascript",             script.src = js[i];              if(i === js.length-1 && module.onsuccess) {                 script.onload = module.onsuccess;             }             head.appendchild(script);             i++;         }     } else {         var obj = y.get.script(js, module);     } }

});


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