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<!doctype html>
<title>CodeMirror: Any Word Completion Demo</title><meta charset="utf-8"/><link rel=stylesheet href="../doc/docs.css">
<link rel="stylesheet" href="../lib/codemirror.css"><link rel="stylesheet" href="../addon/hint/show-hint.css"><script src="../lib/codemirror.js"></script><script src="../addon/hint/show-hint.js"></script><script src="../addon/hint/anyword-hint.js"></script><script src="../mode/javascript/javascript.js"></script><div id=nav> <a href="https://codemirror.net"><h1>CodeMirror</h1><img id=logo src="../doc/logo.png"></a>
<ul> <li><a href="../index.html">Home</a> <li><a href="../doc/manual.html">Manual</a> <li><a href="https://github.com/codemirror/codemirror">Code</a> </ul> <ul> <li><a class=active href="#">Any Word Completion</a> </ul></div>
<article><h2>Any Word Completion Demo</h2><form><textarea id="code" name="code">(function() { "use strict";
var WORD = /[\w$]+/g, RANGE = 500;
CodeMirror.registerHelper("hint", "anyword", function(editor, options) { var word = options && options.word || WORD; var range = options && options.range || RANGE; var cur = editor.getCursor(), curLine = editor.getLine(cur.line); var start = cur.ch, end = start; while (end < curLine.length && word.test(curLine.charAt(end))) ++end; while (start && word.test(curLine.charAt(start - 1))) --start; var curWord = start != end && curLine.slice(start, end);
var list = [], seen = {}; function scan(dir) { var line = cur.line, end = Math.min(Math.max(line + dir * range, editor.firstLine()), editor.lastLine()) + dir; for (; line != end; line += dir) { var text = editor.getLine(line), m; word.lastIndex = 0; while (m = word.exec(text)) { if ((!curWord || m[0].indexOf(curWord) == 0) && !seen.hasOwnProperty(m[0])) { seen[m[0]] = true; list.push(m[0]); } } } } scan(-1); scan(1); return {list: list, from: CodeMirror.Pos(cur.line, start), to: CodeMirror.Pos(cur.line, end)}; });})();</textarea></form>
<p>Press <strong>ctrl-space</strong> to activate autocompletion. Thecompletion usesthe <a href="../doc/manual.html#addon_anyword-hint">anyword-hint.js</a>module, which simply looks at nearby words in the buffer and completesto those.</p>
<script> CodeMirror.commands.autocomplete = function(cm) { cm.showHint({hint: CodeMirror.hint.anyword}); } var editor = CodeMirror.fromTextArea(document.getElementById("code"), { lineNumbers: true, extraKeys: {"Ctrl-Space": "autocomplete"} }); </script> </article>
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