in styles/docfx.js [856:875]
function initTabs(container) {
var queryStringTabs = readTabsQueryStringParam();
var elements = container.querySelectorAll('.tabGroup');
var state = { groups: [], selectedTabs: [] };
for (var i = 0; i < elements.length; i++) {
var group = initTabGroup(elements.item(i));
if (!group.independent) {
updateVisibilityAndSelection(group, state);
state.groups.push(group);
}
}
container.addEventListener('click', function (event) { return handleClick(event, state); });
if (state.groups.length === 0) {
return state;
}
selectTabs(queryStringTabs, container);
updateTabsQueryStringParam(state);
notifyContentUpdated();
return state;
}