Mobile applications introduce static Cordova according to different platforms

stay index.html The page introduces the following script（ Android and ios Of cordova You need to download it yourself and put it in the corresponding path ）

<script>
    // ------- Inject cordova, Auto fit androway ios platform 
    (function () {
    
      const agent = navigator.userAgent.toLowerCase();
      console.log(agent);
      let importForCordova;
      if (agent.includes("android")) {
    
        //  If you change the deployment path , It needs to be modified here 
        console.log('android');
        importForCordova = "static/android.cordova.min.js";
      } else if (agent.includes("iphone") || agent.includes("ipad")) {
    
        //  If you change the deployment path , It needs to be modified here 
        console.log('iphone');
        importForCordova = "static/ios.cordova.min.js";
      } else {
    
        console.log("Inject Error,Not android nor iOS.")
        return;
      }
      const cordovaScriptElement = document.createElement('script');
      cordovaScriptElement.setAttribute('type', 'text/javascript');
      cordovaScriptElement.setAttribute('src', importForCordova);
      const head = document.getElementsByTagName('head')[0];
      head.appendChild(cordovaScriptElement);
    })();
    // ------ Inject cordova, Auto fit androway ios platform 
  </script>