CodeMirror: Any Word Completion Demo

Any Word Completion Demo

(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);

Press ctrl-space to activate autocompletion. The completion uses the anyword-hint.js module, which simply looks at nearby words in the buffer and completes to those.