const userAgent = navigator.userAgent;
// 判断是否在 PC 端钉钉
const isPcDingTalk = /DingTalk/i.test(userAgent) && /Windows/i.test(userAgent);
// 判断是否在手机移动端钉钉
const isMobileDingTalk = /DingTalk/i.test(userAgent) && /Mobile/i.test(userAgent);
alert(isPcDingTalk)