From fc372952e2983934dda338ffefd705112db8008a Mon Sep 17 00:00:00 2001
From: Chris Rebert <code@rebertia.com>
Date: Tue, 21 Apr 2015 17:41:06 -0700
Subject: Throw error when tooltip/popover template has multiple top-level
 elements

Closes #16219.
---
 js/tooltip.js | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

(limited to 'js/tooltip.js')

diff --git a/js/tooltip.js b/js/tooltip.js
index b2d775938..2d42cab24 100644
--- a/js/tooltip.js
+++ b/js/tooltip.js
@@ -404,7 +404,13 @@
   }
 
   Tooltip.prototype.tip = function () {
-    return (this.$tip = this.$tip || $(this.options.template))
+    if (!this.$tip) {
+      this.$tip = $(this.options.template)
+      if (this.$tip.length != 1) {
+        throw new Error(this.type + ' `template` option must consist of exactly 1 top-level element!')
+      }
+    }
+    return this.$tip
   }
 
   Tooltip.prototype.arrow = function () {
-- 
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