const svgSprite = ``; // Insert the SVG into the DOM (function() { if (document.readyState === 'loading') { document.addEventListener('DOMContentLoaded', insertSVG); } else { insertSVG(); } function insertSVG() { const div = document.createElement('div'); div.style.display = 'none'; div.innerHTML = svgSprite; document.body.insertBefore(div, document.body.firstChild); } })();