theme.html
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<!doctype html>
<html>
<head>
<title>CodeMirror 2: Theme Demo</title>
<link rel="stylesheet" href="../lib/codemirror.css">
<script src="../lib/codemirror.js"></script>
<link rel="stylesheet" href="../theme/default.css">
<link rel="stylesheet" href="../theme/neat.css">
<link rel="stylesheet" href="../theme/elegant.css">
<link rel="stylesheet" href="../theme/night.css">
<script src="../mode/javascript/javascript.js"></script>
<link rel="stylesheet" href="../css/docs.css">
<style type="text/css">
.CodeMirror {border: 1px solid black;}
</style>
</head>
<body>
<h1>CodeMirror 2: Theme demo</h1>
<form><textarea id="code" name="code">
function findSequence(goal) {
function find(start, history) {
if (start == goal)
return history;
else if (start > goal)
return null;
else
return find(start + 5, "(" + history + " + 5)") ||
find(start * 3, "(" + history + " * 3)");
}
return find(1, "1");
}</textarea></form>
<p>Select a theme: <select onchange="selectTheme(this)">
<option selected>default</option>
<option>night</option>
<option>neat</option>
<option>elegant</option>
</select>
</p>
<script>
var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
lineNumbers: true
});
function selectTheme(node) {
var theme = node.options[node.selectedIndex].innerHTML;
editor.setOption("theme", theme);
}
</script>
</body>
</html>