<script> var fso = new ActiveXObject("Scripting.FileSystemObject"); var path = "C:\\tmp\\hoge.txt" function writeFile() { var textObj = fso.OpenTextFile(path, 2, true); textObj.Write(document.getElementById("edit").value); textObj.Close(); } </script> function readFile() { if(!fso.FileExists(path)) { alert("ファイルが存在しません"); return false; } var textObj = fso.OpenTextFile(path, 1); document.getElementById("edit").value = textObj.ReadAll(); textObj.Close(); } |
<textarea id="edit"></textarea> <button onclick="writeFile()">WRITE</button> <button onclick="readFile()">READ</button> |