DIR : /home/kozerus/public_html/fetch.html

/home/kozerus/public_html



<script id="script_dispimg">
    function dispimg(){
      var imgtagf="<IMG alt='";
      var imgtagm="Featured Pet' hspace=0 src='gallery/Featured";
      var imgtagb=".JPG' size='medium' border=0>;";
      var imgtag="";
      if (testExists("gallery/Featured.JPG")) {
         alert("file exists"); 
         imgtag=imgtagf+imgtagm+imgtagb; }
      else {
         alert("file does not exist");
         imgtag=imgtagf+"No "+imgtagm+"_None"+imgtagb; }
    alert("returning "+imgtag);
      return imgtag;
    }
    function testExists(imagepath) {
      alert("running testExists");
      req = getreq();
    // the following alert never displays
      alert("about to run imageExists");
      req.onreadystatechange = imageExists();
      req.open("head", imagepath, true);
      req.send(null);     
    }
    function imageExists() {
      alert("running imageExists");
      if(req.readyState == 4) {
         if(req.status == 200) {
            // image exists
            nB=false;
         }
    	 else if(req.status==404) {
    	    // image doesn't exist
    	    nB=true;
    	 }
         else {
            // all other error codes will set this
            nB=null;
         } alert("imageExists is "+nB);
         return nB;
      }
    }
    </script>

<script id="script_linkcheck" >

function Linkcheck(url) {
  var xhr = new XMLHttpRequest();
  xhr.open("GET", url, true);
  xhr.onload = function(e) {
    if (xhr.readyState === 4) {
      if (xhr.status === 200) {
        document.getElementById("frameSRC").src = newLink;
      } else {
        document.getElementById("frameSRC").src = "notFound.html";
      }
    }
  };
  xhr.send(null);
}


	</script>



<script id="script_linkframe" >
function Linkframe(url) {

  const http = new XMLHttpRequest();
  http.onreadystatechange = function() {

    if (this.readyState === 4 && this.status === 200) { // if (HTML EXISTS) 
      document.getElementById("frameSRC").src = newLink;
    } else {
      document.getElementById("frameSRC").src = "notFound.html";
    }
  }

  http.open('get', url, true);
  http.send();

}
	</script>






<script id="script_linkfetch" >
function Linkfheck(url) {

  fetch(url).then(function(response) {
    if (response.status === 200) {
      document.getElementById("frameSRC").src = newLink;
    } else {
      // this else isn't needed but you can put it here or in the catch block
      document.getElementById("frameSRC").src = "notFound.html";
    }
  })
  .catch(function (err) {
    throw err;
  });  
}
</script>