fix for #4761

docs/assets/js/bootstrap-button.js

@@ -51,7 +51,7 @@
   }
 
   Button.prototype.toggle = function () {
-    var $parent = this.$element.parent('[data-toggle="buttons-radio"]')
+    var $parent = this.$element.closest('[data-toggle="buttons-radio"]')
 
     $parent && $parent
       .find('.active')

docs/assets/js/bootstrap.js

@@ -199,7 +199,7 @@
   }
 
   Button.prototype.toggle = function () {
-    var $parent = this.$element.parent('[data-toggle="buttons-radio"]')
+    var $parent = this.$element.closest('[data-toggle="buttons-radio"]')
 
     $parent && $parent
       .find('.active')

js/bootstrap-button.js

@@ -51,7 +51,7 @@
   }
 
   Button.prototype.toggle = function () {
-    var $parent = this.$element.parent('[data-toggle="buttons-radio"]')
+    var $parent = this.$element.closest('[data-toggle="buttons-radio"]')
 
     $parent && $parent
       .find('.active')

js/tests/unit/bootstrap-button.js

@@ -62,7 +62,7 @@ $(function () {
         ok(btn.hasClass('active'), 'btn has class active')
       })
 
-     test("should toggle active when btn children are clicked within btn-group", function () {
+      test("should toggle active when btn children are clicked within btn-group", function () {
         var btngroup = $('<div class="btn-group" data-toggle="buttons-checkbox"></div>')
           , btn = $('<button class="btn">fat</button>')
           , inner = $('<i></i>')
@@ -74,4 +74,23 @@ $(function () {
         ok(btn.hasClass('active'), 'btn has class active')
       })
 
+      test("should check for closest matching toggle", function () {
+        var group = $("<div data-toggle='buttons-radio'></div>")
+          , btn1  = $("<button class='btn active'></button>")
+          , btn2  = $("<button class='btn'></button>")
+          , wrap  = $("<div></div>")
+
+        wrap.append(btn1, btn2)
+
+        group
+          .append(wrap)
+          .appendTo($('#qunit-fixture'))
+
+        ok(btn1.hasClass('active'), 'btn1 has active class')
+        ok(!btn2.hasClass('active'), 'btn2 does not have active class')
+        btn2.click()
+        ok(!btn1.hasClass('active'), 'btn1 does not have active class')
+        ok(btn2.hasClass('active'), 'btn2 has active class')
+      })
+
 })
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