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Viewing SVG Files
SVG files can be viewed in any modern web browser, which renders them natively.
You can open an SVG file directly in Chrome, Firefox, Safari, or Edge.
For development, embedding SVG inline in HTML gives you full CSS and JavaScript
access to the SVG elements. External SVG files loaded via <img>
are sandboxed — scripts and external resources inside them are blocked.
SVG Embedding Methods
| Method | CSS Styling | JS Access | Use Case |
|---|---|---|---|
Inline <svg> | Full | Full | Interactive, animated SVGs |
<img src="file.svg"> | Limited | None | Static images |
| CSS background-image | None | None | Decorative backgrounds |
<object> | Limited | Via contentDocument | Complex SVG documents |
<iframe> | None | Cross-origin blocked | Isolated SVG apps |
Rendering SVG from String
JavaScript
// Render SVG string into a container
function renderSvg(container, svgString) {
// Sanitize: remove script tags
const clean = svgString.replace(/<script[\s\S]*?<\/script>/gi, '');
container.innerHTML = clean;
}
// Load SVG from URL and display
async function loadSvg(url, container) {
const response = await fetch(url);
const text = await response.text();
renderSvg(container, text);
}
// Get SVG dimensions
function getSvgDimensions(svgEl) {
const vb = svgEl.getAttribute('viewBox')?.split(/[\s,]+/).map(Number);
return {
width: vb?.[2] ?? svgEl.width.baseVal.value,
height: vb?.[3] ?? svgEl.height.baseVal.value
};
}