js method for deeplink (determining whether app is installed on the phone)_javascript skills

Code function:
Determine whether the app is installed on the phone/tablet
If installed, call the app's scheme and pass in the url as a parameter for subsequent operations
If not installed, jump to the app store /google play download app

Copy code The code is as follows:

(function() {
var openUrl = window .location.search;
try{
openUrl = openUrl.substring(1,openUrl.length);
}catch(e){

}
var isiOS = navigator.userAgent.match('iPad')
|| navigator.userAgent.match('iPhone')
|| navigator.userAgent.match('iPod') , isAndroid = navigator.userAgent
.match('Android'), isDesktop = !isiOS&&!isAndroid;
if (isiOS) {
setTimeout(function () { window.location = "itms-apps: //itunes.apple.com/app/[name]/[id]?mt=8"; },25);
window.location = "[scheme]://[host]?url=" openUrl ;
}else if(isAndroid){
window.location = "intent://[host]/" "url=" openUrl "#Intent;scheme=[scheme];package=[package_name];end ";
}else{
window.location.href = openUrl;
}
})();