Mermaid Injection

// Mermaid injection google chrome console

// run to render below into mermaid graph
let script = document.createElement("script");
script.type = 'module';
script.textContent = `import mermaid from 'https://cdn.jsdelivr.net/npm/mermaid@10/dist/mermaid.esm.min.mjs';
mermaid.run();`
document.body.appendChild(script);

// type into <body>
<pre class="mermaid">sequenceDiagram
    Mower -&gt;&gt; Lawn: create()
    Lawn -&gt;&gt; Mower: Mower mower
    Mower -&gt;&gt; Grass: cut()
    Mower -&gt;&gt; Scanner: scan()
</pre>