<DOCTYPE html>
<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset=utf-8>
<title>テキストエディタ</title>
<link rel="stylesheet" type="text/css" href="reicss.css">
<style>
</style>
</head>
<body>
<div id="editor" style="height: 300px"></div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.0/ace.js">
</script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/ace/1.2.0/ext-language_tools.js"></script>
<script>
var editor = ace.edit("editor");
editor.$blockScrolling = Infinity; crom
editor.setOptions({
enableBasicAutocompletion: true,
enableSnippets: true,
enableLiveAutocompletion: true
});
editor.setTheme("ace/theme/monokai");
editor.setFontSize(20);
editor.getSession().setMode("ace/mode/Ruby");
</script>
</body>
</html>
mamadoka