动态执行ajax请求里的js代码

)/ig;
var srcRe = /ssrc=(['"])(.*?)1/i;
var typeRe = /stype=(['"])(.*?)1/i;
var match;
while(match = re.exec(html)){
var attrs = match[1];
var srcMatch = attrs ? attrs.match(srcRe) : false;
if(srcMatch && srcMatch[2]){
var s = document.createElement("script");
s.src = srcMatch[2];
var typeMatch = attrs.match(typeRe);
if(typeMatch && typeMatch[2]){
s.type = typeMatch[2];
}
hd.appendChild(s);
}else if(match[2] && match[2].length > 0){
if(window.execScript) {
window.execScript(match[2]);
} else {
window.eval(match[2]);
}
}
}
}

$(function(){
$.get('b.html',{},function(html){
evalScript(html);
alert(sysmsg);
})
})