Fix js error in homepage (#7680)

When document.querySelector('#docsToc') is null ,get TypeError Cannot read property 'querySelector' of null 。
2018-03-15 04:45:05 +08:00
parent 1549d29783
commit f5558e0e57
1 changed files with 1 additions and 0 deletions
@@ -32,6 +32,7 @@ ga('send', 'pageview');

    function hideNav(toc){
        if (!toc) toc = document.querySelector('#docsToc')
+        if (!toc) return
            var container = toc.querySelector('.container')

                // container is built dynamically, so it may not be present on the first runloop