JS 动态修改微信 iOS 标题

var $body = $('body');

document.title = 'the title you want to set';

var $iframe = $("<iframe style='display:none;' src='/favicon.ico'></iframe>");

$iframe.on('load', function() {
    setTimeout(function() {
        $iframe.off('load').remove();
    }, 0);
}).appendTo($body);

// ===============================================

const iframeLoad = function (src) {
    let iframe = document.createElement('iframe');
    iframe.style.display = 'none';
    iframe.src = src;
    document.body.appendChild(iframe);
    iframe.addEventListener('load', function () {
        setTimeout(function () {
            iframe.remove();
        }, 0);
    });
};