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Fix JS errors

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This commit is contained in:
Guillaume Gomez
2017-12-07 22:55:14 +01:00
parent 71b70feb1f
commit 423e5ac6f3
1 changed files with 8 additions and 2 deletions
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10
src/librustdoc/html/static/main.js
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@@ -107,7 +107,10 @@
} }
function showSidebar() { 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]; var sidebar = document.getElementsByClassName('sidebar')[0];
sidebar.style.position = 'fixed'; sidebar.style.position = 'fixed';
sidebar.style.width = '100%'; sidebar.style.width = '100%';
@@ -116,7 +119,10 @@
} }
function hideSidebar() { 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]; var sidebar = document.getElementsByClassName('sidebar')[0];
sidebar.style.position = ''; sidebar.style.position = '';
sidebar.style.width = ''; sidebar.style.width = '';