$(function() { var javaEditor = CodeMirror.fromTextArea(document.getElementById("editor"), { mode : "text/x-java", lineNumbers : true, matchBrackets : true, extraKeys: { "F11": function(cm) { cm.setOption("fullScreen", !cm.getOption("fullScreen")); }, "Esc": function(cm) { if (cm.getOption("fullScreen")) cm.setOption("fullScreen", false); } } }); });