vConsole

// 根据链接参数，判断是否加载vConsole
if (location.href.includes('debug')) {
    var script = document.createElement('script'); 
    script.src = "https://cdn.jsdelivr.net/npm/vconsole@3.14.4/dist/vconsole.min.js"; 
    document.body.appendChild(script); 
    script.onload = function () {
         var vConsole = new VConsole();
    } 
}