s/KaTeX/0.1.1/katex.min.js"&gt;&lt;/script&gt;

&lt;link rel="stylesheet" href="../css/editormd.css" /&gt;
&lt;script src="../editormd.js"&gt;&lt;/script&gt;
&lt;script type="text/javascript"&gt;
	$(function() {
		var testEditor = editormd("test-editormd", {
			width  : "90%",
			height : 720,
			autoLoadModules : false  // Manually load modules
		});

		testEditor.fullscreen(); // In Manually load mode, You can be synchronized using the member method.
	});
&lt;/script&gt;
```

#### KaTeX test

$$E = mc^2$$