Test number property with !== undefined

Fixes #4424
2015-11-16 09:39:19 +01:00
parent afba132c13
commit dfbe7447c9
5 changed files with 5 additions and 5 deletions
--- a/src/ol/control/zoomslidercontrol.js
+++ b/src/ol/control/zoomslidercontrol.js
@@ -75,7 +75,7 @@ ol.control.ZoomSlider = function(opt_options) {
   * @private
   * @type {number}
   */
-  this.duration_ = options.duration ? options.duration : 200;
+  this.duration_ = options.duration !== undefined ? options.duration : 200;

  var className = options.className ? options.className : 'ol-zoomslider';
  var thumbElement = goog.dom.createDom('BUTTON', {