document.body.onclick = function(){
var blob = new Blob(["<html><body>Hello World!<\/body><\/html>"],{"type":"text/html"});
var a = document.createElement('a');
a.target = "_blank";
a.href = URL.createObjectURL(blob);
document.body.appendChild(a);
var evt = document.createEvent("MouseEvents");
evt.initEvent("click", false, false);
a.dispatchEvent(evt);
document.body.removeChild(a);
}
document.body.innerHTML = "点击打开新页面";