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<!doctype html>
<title>CodeMirror: Ruler Demo</title>
<meta charset="utf-8"/>
<link rel=stylesheet href="../html/docs.css">
<link rel="stylesheet" href="/usr/share/javascript/codemirror/lib/codemirror.css">
<script src="/usr/share/javascript/codemirror/lib/codemirror.js"></script>
<script src="/usr/share/javascript/codemirror/addon/display/rulers.js"></script>
<style>
.CodeMirror {border-top: 1px solid #888; border-bottom: 1px solid #888;}
</style>
<div id=nav>
<a href="https://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../html/logo.png"></a>
<ul>
<li><a href="../index.html">Home</a>
<li><a href="../html/manual.html">Manual</a>
<li><a href="https://github.com/codemirror/codemirror">Code</a>
</ul>
<ul>
<li><a class=active href="#">Ruler demo</a>
</ul>
</div>
<article>
<h2>Ruler Demo</h2>
<script>
var nums = "0123456789", space = " ";
var colors = ["#fcc", "#f5f577", "#cfc", "#aff", "#ccf", "#fcf"];
var rulers = [], value = "";
for (var i = 1; i <= 6; i++) {
rulers.push({color: colors[i], column: i * 10, lineStyle: "dashed"});
for (var j = 1; j < i; j++) value += space;
value += nums + "\n";
}
var editor = CodeMirror(document.body.lastChild, {
rulers: rulers,
value: value + value + value,
lineNumbers: true
});
</script>
<p>Demonstration of
the <a href="../html/manual.html#addon_rulers">rulers</a> addon, which
displays vertical lines at given column offsets.</p>
</article>