fixes issue with Slider plugin improperly filling in with two handles. Fixes #7351...

diff --git a/js/foundation.slider.js b/js/foundation.slider.js
index 2e3de6d9da17d3fbb1cc25b96f7b9afa473f2f4f..5211bbdebdf4adc03fbd2febcad60f8ecd87309a 100644 (file)
--- a/js/foundation.slider.js
+++ b/js/foundation.slider.js
@@ -241,7 +241,8 @@
         css['min-' + hOrW] = dim;
         if(cb && typeof cb === 'function'){ cb(); }
       }else{
-        location = (location < 100 ? location : 100) - (parseFloat(this.$handle[0].style.left) || this.options.end - location);
+        var handleLeft = parseFloat(this.$handle[0].style.left);
+        location = (location < 100 ? location : 100) - (!isNaN(handleLeft) ? handleLeft : this.options.end - location);
         css['min-' + hOrW] = location + '%';
       }
     }