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')) { return `
${code} `; } else { return `
`; } case 'css': if (code.startsWith('
')) { return `
${code}
CSS Preview
This is a paragraph to demonstrate your CSS.
Button Element
Link Element
List item 1
List item 2
List item 3
`; } else { return `
CSS Preview
This is a paragraph to demonstrate your CSS.
Button Element
Link Element
List item 1
List item 2
List item 3
`; } case 'html-fragment': default: return `
${code} `; } } function renderCode() { const code = codeInput.value; if (!code.trim()) return; const contentType = detectContentType(code); const formattedContent = formatContent(code, contentType); const doc = outputFrame.contentDocument || outputFrame.contentWindow.document; doc.open(); doc.write(formattedContent); doc.close(); } function showFullscreen() { if (!codeInput.value.trim()) return; const contentType = detectContentType(codeInput.value); const formattedContent = formatContent(codeInput.value, contentType); const doc = fullscreenFrame.contentDocument || fullscreenFrame.contentWindow.document; doc.open(); doc.write(formattedContent); doc.close(); fullscreenContainer.style.display = 'block'; } function closeFullscreen() { fullscreenContainer.style.display = 'none'; } renderBtn.addEventListener('click', renderCode); fullscreenBtn.addEventListener('click', showFullscreen); closeBtn.addEventListener('click', closeFullscreen); // Auto-render when pasting content codeInput.addEventListener('paste', () => { setTimeout(renderCode, 0); });