github.com/Kartograf/gqlgen@v0.7.2/docs/static/main.js (about) 1 var anchorForId = function (id) { 2 var anchor = document.createElement("a"); 3 anchor.className = "anchor-link"; 4 anchor.href = "#" + id; 5 anchor.innerHTML = ' <svg class="anchor-icon" viewBox="0 0 24 24" xmlns="http://www.w3.org/2000/svg"><path d="M0 0h24v24H0z" fill="none"/><path d="M3.9 12c0-1.71 1.39-3.1 3.1-3.1h4V7H7c-2.76 0-5 2.24-5 5s2.24 5 5 5h4v-1.9H7c-1.71 0-3.1-1.39-3.1-3.1zM8 13h8v-2H8v2zm9-6h-4v1.9h4c1.71 0 3.1 1.39 3.1 3.1s-1.39 3.1-3.1 3.1h-4V17h4c2.76 0 5-2.24 5-5s-2.24-5-5-5z"/></svg>'; 6 return anchor; 7 }; 8 9 var linkifyAnchors = function (level, containingElement) { 10 var headers = containingElement.getElementsByTagName("h" + level); 11 for (var h = 0; h < headers.length; h++) { 12 var header = headers[h]; 13 14 if (typeof header.id !== "undefined" && header.id !== "") { 15 header.appendChild(anchorForId(header.id)); 16 17 } 18 } 19 }; 20 21 22 document.onreadystatechange = function () { 23 if (this.readyState === "complete") { 24 var contentBlock = document.getElementsByTagName("body")[0] 25 if (!contentBlock) { 26 return; 27 } 28 for (var level = 2; level <= 4; level++) { 29 linkifyAnchors(level, contentBlock); 30 } 31 } 32 };