Ace Editor

Javascript Mode

/**
* In fact, you're looking at ACE right now. Go ahead and play with it!
*
* We are currently showing off the JavaScript mode. ACE has support for 45
* language modes and 24 color themes!
*/
function add(x, y) {
var resultString = "Hello, ACE! The result of your math is: ";
var result = x + y;
return resultString + result;
}
var addResult = add(3, 2);
console.log(addResult);
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Html Mode And Emmet

<!--
* We are currently showing off the Html mode. ACE has support for 45
* language modes and 24 color themes!
-->
<!DOCTYPE html>
<html lang="en">
<head>
<title>ACE in Action</title>
<style>
#editor {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
}
</style>
</head>
<body>
<div id="editor">function foo(items) {
var x = "All this is syntax highlighted";
return x;
}</div>
<script src="/ace-builds/src-noconflict/ace.js" charset="utf-8"></script>
<script>
var editor = ace.edit("editor");
editor.setTheme("ace/theme/monokai");
editor.getSession().setMode("ace/mode/javascript");
</script>
</body>
</html>
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Setting Theme

<!DOCTYPE html>
<html lang="en">
<head>
<title>ACE in Action</title>
<style type="text/css" media="screen">
#editor {
position: absolute;
top: 0;
right: 0;
bottom: 0;
left: 0;
}
</style>
</head>
<body>
<div id="editor">function foo(items) {
var x = "All this is syntax highlighted";
return x;
}</div>
<script src="/ace-builds/src-noconflict/ace.js" type="text/javascript" charset="utf-8"></script>
<script>
var editor = ace.edit("editor");
editor.setTheme("ace/theme/twilight");
editor.getSession().setMode("ace/mode/javascript");
</script>
</body>
</html>
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