From 9f94b1c39ef1464988b7e2ee060689db91373b1c Mon Sep 17 00:00:00 2001
From: Eric Theise <erictheise@gmail.com>
Date: Wed, 27 Oct 2021 11:25:06 -0700
Subject: [PATCH] Define with let to avoid "assignment to constant" errors

Thanks for this example. Defining `label` with `const` rather than `let` results in `Uncaught TypeError: Assignment to constant variable.`
---
 docs/configuration/tooltip.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/configuration/tooltip.md b/docs/configuration/tooltip.md
index 527b15d99bc..51e8f71f61c 100644
--- a/docs/configuration/tooltip.md
+++ b/docs/configuration/tooltip.md
@@ -157,7 +157,7 @@ const chart = new Chart(ctx, {
             tooltip: {
                 callbacks: {
                     label: function(context) {
-                        const label = context.dataset.label || '';
+                        let label = context.dataset.label || '';
 
                         if (label) {
                             label += ': ';