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A visual diff component built with semantic HTML and Tailwind CSS for comparing two content versions side by side. Perfect for code reviews, document revisions, and before/after comparisons. Supports horizontal, vertical, and resizable layouts with color-coded change tracking.

Diff components display differences between two versions of content, ideal for showing code changes, document revisions, or comparison views. Built with semantic HTML and color-coded styling, diffs help users understand what changed. The Frutjam diff system supports multiple types and stylesโ€”perfect for version control interfaces, revision history, and change tracking.

Class Type Description
diffBaseSide-by-side comparison container with a draggable divider
diff-item-1ModifierLeft (before) pane of the comparison
diff-item-2ModifierRight (after) pane of the comparison
diff-resizerModifierDraggable handle to resize the two panes

Basic Usage

Create a simple side-by-side diff with before and after states.

Before
After
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<figure class="diff aspect-video" tabindex="0" aria-label="Before and after comparison">
  <div class="diff-item-1" aria-label="Before">
    <div class="bg-base-100 grid place-items-center text-4xl font-bold">
      Before
    </div>
  </div>
  <div class="diff-item-2" aria-label="After">
    <div class="bg-base-200 grid place-items-center text-4xl font-bold">
      After
    </div>
  </div>
  <div class="diff-resizer" role="slider" aria-label="Comparison slider" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100" tabindex="0"></div>
</figure>
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<figure className="diff aspect-video" tabindex="0" aria-label="Before and after comparison">
  <div className="diff-item-1" aria-label="Before">
    <div className="bg-base-100 grid place-items-center text-4xl font-bold">
      Before
    </div>
  </div>
  <div className="diff-item-2" aria-label="After">
    <div className="bg-base-200 grid place-items-center text-4xl font-bold">
      After
    </div>
  </div>
  <div className="diff-resizer" role="slider" aria-label="Comparison slider" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100" tabindex="0"></div>
</figure>
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<figure class="diff aspect-video" tabindex="0" aria-label="Before and after comparison">
  <div class="diff-item-1" aria-label="Before">
    <div class="bg-base-100 grid place-items-center text-4xl font-bold">
      Before
    </div>
  </div>
  <div class="diff-item-2" aria-label="After">
    <div class="bg-base-200 grid place-items-center text-4xl font-bold">
      After
    </div>
  </div>
  <div class="diff-resizer" role="slider" aria-label="Comparison slider" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100" tabindex="0"></div>
</figure>

Diff Text Comparison

Display code or text changes side-by-side for detailed comparison.

const greeting = "Hello";
console.log(greeting);
let count = 0;
const greeting = "Hello World";
console.log(greeting);
let count = 1;
html
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<figure class="diff aspect-video" tabindex="0" aria-label="Code comparison: before and after changes">
  <div class="diff-item-1" aria-label="Before: original code">
    <div class="bg-base-100 p-4">
    <pre>const greeting = "Hello";
console.log(greeting);
let count = 0;</pre>
    </div>
  </div>
  <div class="diff-item-2" aria-label="After: updated code">
    <div class="bg-base-200 p-4">
    <pre>const greeting = "Hello World";
console.log(greeting);
let count = 1;</pre>
    </div>
  </div>
  <div class="diff-resizer" role="slider" aria-label="Comparison slider" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100" tabindex="0"></div>
</figure>

Diff with Color Coding

Use semantic colors to highlight removed, added, or changed content.

- const old = "value";
+ const updated = "value";
html
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<figure class="diff aspect-video" tabindex="0" aria-label="Color-coded diff: removed and added lines">
  <div class="diff-item-1" aria-label="Removed line">
    <div class="bg-error text-on-error p-4 font-mono">- const old = "value";</div>
  </div>
  <div class="diff-item-2" aria-label="Added line">
    <div class="bg-success text-on-success p-4 font-mono">+ const updated = "value";</div>
  </div>
  <div class="diff-resizer" role="slider" aria-label="Comparison slider" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100" tabindex="0"></div>
</figure>

Image Comparison

Compare visual changes between before and after images with draggable resizer.

Original color photo
Grayscale version of the same photo
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<figure class="diff aspect-video" tabindex="0" aria-label="Image comparison: color versus grayscale">
  <div class="diff-item-1" aria-label="Before: color version">
    <img src="https://cdn.frutjam.com/images/photo-5.jpg?format=webp&width=800&height=450" alt="Original color photo" loading="lazy">
  </div>
  <div class="diff-item-2" aria-label="After: grayscale version">
    <img src="https://cdn.frutjam.com/images/photo-5.jpg?format=webp&saturation=-100&width=800&height=450" alt="Grayscale version of the same photo" loading="lazy">
  </div>
  <div class="diff-resizer" role="slider" aria-label="Comparison slider" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100" tabindex="0"></div>
</figure>

Diff Sizes

Control the diff size using width and height utilities on the container.

Small
Diff
Medium
Diff
Large
Diff
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<figure class="diff aspect-video w-64" tabindex="0" aria-label="Small diff comparison">
  <div class="diff-item-1" aria-label="Before">
    <div class="bg-base-200 grid place-items-center text-base font-bold">Small</div>
  </div>
  <div class="diff-item-2" aria-label="After">
    <div class="bg-base-100 grid place-items-center text-base font-bold">Diff</div>
  </div>
  <div class="diff-resizer" role="slider" aria-label="Comparison slider" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100" tabindex="0"></div>
</figure>

<figure class="diff aspect-video w-96" tabindex="0" aria-label="Medium diff comparison">
  <div class="diff-item-1" aria-label="Before">
    <div class="bg-base-200 grid place-items-center text-2xl font-bold">Medium</div>
  </div>
  <div class="diff-item-2" aria-label="After">
    <div class="bg-base-100 grid place-items-center text-2xl font-bold">Diff</div>
  </div>
  <div class="diff-resizer" role="slider" aria-label="Comparison slider" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100" tabindex="0"></div>
</figure>

<figure class="diff aspect-video w-full" tabindex="0" aria-label="Large diff comparison">
  <div class="diff-item-1" aria-label="Before">
    <div class="bg-primary text-on-primary grid place-items-center text-4xl font-bold">Large</div>
  </div>
  <div class="diff-item-2" aria-label="After">
    <div class="bg-secondary text-on-secondary grid place-items-center text-4xl font-bold">Diff</div>
  </div>
  <div class="diff-resizer" role="slider" aria-label="Comparison slider" aria-valuenow="50" aria-valuemin="0" aria-valuemax="100" tabindex="0"></div>
</figure>