FileReader读取文件

<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>H5 filetitle>
head>
<body>
<script>
    function readfile(f){
        var reader = new FileReader();
        reader.readAsText(f,'GB2312');//读取文件
        reader.onload = function(){
            var text = reader.result;
            text = text.replace(/[\s+,'[棉花糖小说网Mianhuatang.cc']/g, "");
            text = text.replace(/['。']/g, "\n");
            text = text.replace(/站页面清爽\W{24}/g, "");
            text = text.replace(/更新快\W{24}/g, "");
            var out = document.getElementById("output");
            out.innerHTML = "";
            out.appendChild(document.createTextNode(text));
        }
        reader.onerror = function(e){
            console.log('Error',e);
        }
    }
script>
Select the file to display:
    <input id="h5file" type="file" onchange = "readfile(this.files[0])">
    <pre id="output">pre>
body>
html>

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