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-rw-r--r--www/js/clock.js4
1 files changed, 4 insertions, 0 deletions
diff --git a/www/js/clock.js b/www/js/clock.js
index 59f53de..a2b0628 100644
--- a/www/js/clock.js
+++ b/www/js/clock.js
@@ -43,6 +43,10 @@ function Clock() {
this.draw_callbacks.fireWith(window, [date_str, time_str, get_rd_week(rdtime_ms)]);
}
+ this.addCallback = function(cb) {
+ this.draw_callbacks.add(cb);
+ }
+
this.ntp_update = function(event) {
var t4 = (+new Date());