javascript - net::ERR_FILE_NOT_FOUND firebase -


i'am trying add , read image firebase, keep giving me error

net::err_file_not_found 

let database = firebase.database(); var filebutton = document.getelementbyid("filebutton"); var main = document.getelementbyid("imgelement"); var bildeurler = database.ref("bildeuler");  function largeurl(snap) {   let url = snap.downloadurl;   bildeurler.push(url); }  filebutton.addeventlistener('change', function(e) {   var file = e.target.files[0];   var storageref = firebase.storage().ref('kora/' + file.name);   storageref.put(file).then((largeurl)); });  function visbilder(snap) {   let url = snap.val();   main.innerhtml += '<img src="${url}">'; }  bildeurler.on("child_added", visbilder);


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