Fix JS errors

423e5ac6 · Guillaume Gomez · 71b70feb · 423e5ac6
隐藏空白更改
内联并排

Showing with 8 addition and 2 deletion

src/librustdoc/html/static/main.js src/librustdoc/html/static/main.js +8 -2

未找到文件。
--- a/src/librustdoc/html/static/main.js
+++ b/src/librustdoc/html/static/main.js
@@ -107,7 +107,10 @@
    }

    function showSidebar() {
-        document.getElementsByClassName("sidebar-elems")[0].style.display = "block";
+        var elems = document.getElementsByClassName("sidebar-elems")[0];
+        if (elems) {
+            elems.style.display = "block";
+        }
        var sidebar = document.getElementsByClassName('sidebar')[0];
        sidebar.style.position = 'fixed';
        sidebar.style.width = '100%';
@@ -116,7 +119,10 @@
    }

    function hideSidebar() {
-        document.getElementsByClassName("sidebar-elems")[0].style.display = "";
+        var elems = document.getElementsByClassName("sidebar-elems")[0];
+        if (elems) {
+            elems.style.display = "";
+        }
        var sidebar = document.getElementsByClassName('sidebar')[0];
        sidebar.style.position = '';
        sidebar.style.width = '';