微信修正浏览器title

用document.title=”xxxx”动态修正title，在iOS微信下不见效

解决方法是

document.title = title;
const iframe = document.createElement('iframe');
iframe.src = 'img/logo.png';
const listener = () => {
    setTimeout(() => {
        iframe.removeEventListener('load', listener);
        setTimeout(() => {
            document.body.removeChild(iframe);
        }, 0);
    }, 0);
};
iframe.addEventListener('load', listener);
document.body.appendChild(iframe);

参考
https://segmentfault.com/q/1010000002926291
http://www.zhihu.com/question/27849091#