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-rw-r--r--lib/js/urweb.js9
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/js/urweb.js b/lib/js/urweb.js
index 1277175d..7f636ef9 100644
--- a/lib/js/urweb.js
+++ b/lib/js/urweb.js
@@ -1374,5 +1374,14 @@ function bless(s) {
return u;
}
+
+// ID generation
+
+var nextId = 0;
+
+function fresh() {
+ return (--nextId).toString();
+}
+
// App-specific code