uweb/searchurl/txt/txtview.html~

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<head>
<script>
function absFile(url) {
this.name=url;
this.slice = async(offset, length) =>{
const headers = new Headers();
headers.append('range', 'bytes=' + offset + '-' + ( offset + length -1).toString());
const opts = {
credentials: 'include',
headers : headers
};
const resp = await fetch( this.name, opts );
//return await resp.arrayBuffer();
alert(JSON.stringify(resp.headers));
return await resp.text();
}
}
var url;
var page = 1;
var blocksize = 1024;
var extrasize = 0;
var file;
function loadSlice(){
let lhash = location.hash;
if(lhash)
page = parseInt(lhash.substring(6),10);
file.slice(blocksize*(page-1),blocksize+extrasize).then((result)=>{
document.body.innerHTML = result;
});
}
window.addEventListener('hashchange',loadSlice);
</script>
</head>
<body>
<script>
//?url=#page=
file = new absFile(location.search.substring(5));
//let viewElement = document.querySelector("#viewer");
loadSlice();
</script>
<body>