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1 <!doctype html>
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2
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3 <title>CodeMirror: Breakpoint Demo</title>
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4 <meta charset="utf-8"/>
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5 <link rel=stylesheet href="../doc/docs.css">
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6
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7 <link rel="stylesheet" href="../lib/codemirror.css">
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8 <script src="../lib/codemirror.js"></script>
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9 <script src="../mode/javascript/javascript.js"></script>
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10 <style>
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11 .breakpoints {width: .8em;}
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12 .breakpoint { color: #822; }
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13 .CodeMirror {border: 1px solid #aaa;}
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14 </style>
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15 <div id=nav>
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16 <a href="https://codemirror.net/5"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a>
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17
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18 <ul>
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19 <li><a href="../index.html">Home</a>
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20 <li><a href="../doc/manual.html">Manual</a>
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21 <li><a href="https://github.com/codemirror/codemirror5">Code</a>
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22 </ul>
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23 <ul>
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24 <li><a class=active href="#">Breakpoint</a>
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25 </ul>
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26 </div>
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27
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28 <article>
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29 <h2>Breakpoint Demo</h2>
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30 <form><textarea id="code" name="code">
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31 var editor = CodeMirror.fromTextArea(document.getElementById("code"), {
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32 lineNumbers: true,
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33 gutters: ["CodeMirror-linenumbers", "breakpoints"]
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34 });
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35 editor.on("gutterClick", function(cm, n) {
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36 var info = cm.lineInfo(n);
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37 cm.setGutterMarker(n, "breakpoints", info.gutterMarkers ? null : makeMarker());
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38 });
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39
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40 function makeMarker() {
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41 var marker = document.createElement("div");
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42 marker.style.color = "#822";
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43 marker.innerHTML = "●";
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44 return marker;
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45 }
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46 </textarea></form>
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47
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48 <p>Click the line-number gutter to add or remove 'breakpoints'.</p>
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49
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50 <script>eval(document.getElementById("code").value);</script>
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51
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52 </article>
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