buildHtml baseUrl https://snippets.scroll.pub metaTags editButton /edit.html title SnippetScroll - A Beautiful Code Editor style.css main class app-container aside class sidebar button New Snippet class new-snippet-btn span + div class snippets-list div class snippet-item active h3 Welcome Note p console.log("Hello World") div class snippet-item h3 Array Example p const numbers = [1, 2, 3] div class snippet-item h3 Markdown Demo p # Hello *world* section class main-content div class toolbar input type text class snippet-title value Welcome Note select class language-select option JavaScript value js option TypeScript value ts option Markdown value md button class run-button span ▶ div class editor-container div class line-numbers div class code-editor contenteditable true div class output-panel div class tab-buttons button Console class active button Result div class console-output script.js