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banner insert: extra check for document.body before adding banner

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This commit is contained in:
Ilya Kreymer 2014-11-02 16:11:03 -08:00
parent 7aac3aa2dd
commit 703ec0eb5e
1 changed files with 7 additions and 3 deletions
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4
pywb/static/wb.js
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@ -35,6 +35,10 @@ function init_banner() {
bid = PLAIN_BANNER_ID; bid = PLAIN_BANNER_ID;
} }
if (!document || !document.body) {
return;
}
if (document.getElementById(bid) != null) { if (document.getElementById(bid) != null) {
return; return;
} }