From 2e39f47d368ebaf29309234333f3429862c0d712 Mon Sep 17 00:00:00 2001
From: Tom MacWright <tom@macwright.org>
Date: Thu, 1 Nov 2012 10:59:56 -0400
Subject: [PATCH] Throttle hash changes

---
 js/iD/renderer/hash.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/js/iD/renderer/hash.js b/js/iD/renderer/hash.js
index 4fa60730d..066301a27 100644
--- a/js/iD/renderer/hash.js
+++ b/js/iD/renderer/hash.js
@@ -22,10 +22,10 @@ iD.Hash = function() {
              "/" + center.lon.toFixed(precision);
   };
 
-  function move() {
+  var move = _.throttle(function() {
     var s1 = formatter(map);
     if (s0 !== s1) location.replace(s0 = s1); // don't recenter the map!
-  }
+  }, 1000);
 
   function hashchange() {
     if (location.hash === s0) return; // ignore spurious hashchange events