ajax加载html文件并执行其中的js代码，加载css样式_html/css

var node = document.createElement('div');

node.innerHTML = res;

document.body.appendChild(node);

var scriptNodes = node.getElementsByTagName('script');

var len = scriptNodes.length;

var styleNodes = node.getElementsByTagName('style');

var len1 = scriptNodes.length;

for(var i=0; i

var scriptNode = document.createElement('script');

if(scriptNodes[0].getAttribute('src')!='' && scriptNodes[0].getAttribute('src')!=null){

scriptNode.setAttribute('src',scriptNodes[0].getAttribute('src'));

}else{

scriptNode.innerHTML = scriptNodes[0].innerHTML;

}

document.body.appendChild(scriptNode);

node.removeChild(scriptNodes[0]);

}

for(var i=0; i

var styleNode = document.createElement('style');

if(styleNodes[0].getAttribute('src')!='' && styleNodes[0].getAttribute('src')!=null){

styleNode.setAttribute('src',styleNodes[0].getAttribute('src'));

}else{

styleNode.innerHTML = styleNodes[0].innerHTML;

}

document.head.appendChild(styleNode);

node.removeChild(styleNodes[0]);

}

}

var xhr = null;

if(window.XMLHttpRequest){

xhr = new XMLHttpRequest();

}else if(window.ActiveXObject){

xhr = new ActiveXObject("Microsoft.XMLHTTP")

}

xhr.onreadystatechange = function(){

if(xhr.readyState == 4){

if(xhr.status == 200){

callback(xhr.responseText);

}

}

}

xhr.open('get', 'main.html');

xhr.send(null);