content: fix typo in JavaScript

Change-Id: I942d039d67a060ee2a587e140a36b980ea469cd5
Reviewed-on: https://go-review.googlesource.com/c/website/+/561957
Reviewed-by: Carlos Amedee <[email protected]>
Reviewed-by: Dmitri Shuralyov <[email protected]>
Auto-Submit: Dmitri Shuralyov <[email protected]>
Reviewed-by: Dmitri Shuralyov <[email protected]>
LUCI-TryBot-Result: Go LUCI <[email protected]>

Author: alexandear

_content/blog/8years.md

@@ -31,7 +31,7 @@ million users worldwide. In the [freshly published 2017 Octoverse](https://octov
 by GitHub, **Go has become the #9 most popular language**, surpassing C.
 **Go is the fastest growing language on GitHub in 2017** in the top 10 with
 **52% growth over the previous year**. In growth, Go swapped places with
-Javascript, which fell to the second spot with 44%.
+JavaScript, which fell to the second spot with 44%.
 
 {{image "8years/image2.png"}}
 

_content/blog/contributors-summit-2019.md

@@ -340,7 +340,7 @@ But we can do more. Many people seek out programming as a way to design
 applications or scratch a particular itch, and they are most likely to want
 to target the interface they are most familiar with: the browser.
 Go does not have a good front-end story yet.
-Javascript is still the only language that really provides
+JavaScript is still the only language that really provides
 both a frontend and a backend environment,
 but WASM is fast becoming a first-order platform,
 and there are so many places we could go with that.

_content/doc/go1.22.md

@@ -573,7 +573,7 @@ There are also various performance improvements, not enumerated here.
 [html/template](/pkg/html/template/)
 
 :   <!-- https://go.dev/issue/61619, CL 507995 -->
-    Javascript template literals may now contain Go template actions, and parsing a template containing one will
+    JavaScript template literals may now contain Go template actions, and parsing a template containing one will
     no longer return `ErrJSTemplate`. Similarly the GODEBUG setting `jstmpllitinterp` no
     longer has any effect.