clear(), test this.paper, allows to call clear() on a cleared or not …

…initialized graph
uiteoi · Sep 7, 2011 · 14b318e · 14b318e
1 parent 84fb893
commit 14b318e
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/ico.js b/ico.js
@@ -291,9 +291,11 @@ var Ico = {
     },
 
     clear: function() {
-      this.components_call( 'clear' );
-      this.paper.remove();
-      this.paper = null;
+      if ( this.paper ) {
+        this.components_call( 'clear' );
+        this.paper.remove();
+        this.paper = null;
+      }
       return this
     },