From c9d827c1d019c70adb2e0c6747d1695254ae175d Mon Sep 17 00:00:00 2001
From: TAY TS <taytzushieh@gmail.com>
Date: Wed, 30 Sep 2020 17:06:42 +0800
Subject: [PATCH] Fix callback function bind with object as parameter (#7984)

Signed-off-by: TAY TS <taytzushieh@gmail.com>
---
 web/ui/static/js/graph/index.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/web/ui/static/js/graph/index.js b/web/ui/static/js/graph/index.js
index 3532015975..32a2ad5042 100644
--- a/web/ui/static/js/graph/index.js
+++ b/web/ui/static/js/graph/index.js
@@ -937,9 +937,11 @@ Prometheus.Page.prototype.init = function() {
   if (graphOptions.length === 0) {
     graphOptions.push({});
   }
-
+  var pageInstance = this;
   graphOptions.forEach(this.addGraph, this);
-  $("#add_graph").click(this.addGraph.bind(this, {}));
+  $("#add_graph").click(function() {
+    pageInstance.addGraph({});
+  });
 };
 
 Prometheus.Page.prototype.parseURL = function() {