标记setIcon方法奇怪地破坏了标记对象

Question

See http://www.milebymile.com/main/highway-1777.html

Go to the right navigation bar and press on the campground + to see a selection of campgrounds. Click on the campground.

The first alert shows the getIcon url prior to the setIcon. The second getIcon alert after the setIcon shows undefined because the marker appears now to be undefined.

The marker changes so the marker.setIcon is working but then after that fires. The corresponding marker can not be referenced again.

Have I done something wrong, or is this a bug? Thanks in advance.

I am using Chrome Version 28.0.1500.44 beta-m.

Answer 1

The issue is not that the marker is being destroyed but that the marker.getIcon method no longer returns anything with a .url property.

So the second of these statements:

var old_icon_url = marker.getIcon().url;    
var new_icon_url = old_icon_url.replace(".png","_selected.png");

generates an error, and execution stops, so you don't see the alerts.

Error (in chrome):

Uncaught TypeError: Cannot call method 'replace' of undefined mapGenerate.js:111