From 0baf7ca0308f622fb3c48ac318e838ff3c096a22 Mon Sep 17 00:00:00 2001
From: egamasa <40469431+egamasa@users.noreply.github.com>
Date: Thu, 30 Jul 2020 00:57:38 +0900
Subject: [PATCH] Update books-ja.md / add JavaScript Primer (#3661)

The content of book released under the CC BY-NC 4.0.
---
 free-programming-books-ja.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/free-programming-books-ja.md b/free-programming-books-ja.md
index 88b3fea06..a879e750d 100644
--- a/free-programming-books-ja.md
+++ b/free-programming-books-ja.md
@@ -370,6 +370,7 @@
 * [Google JavaScript スタイルガイド](https://w.atwiki.jp/aias-jsstyleguide2/) - Aaron Whyte, Bob Jervis, Dan Pupius, Erik Arvidsson, Fritz Schneider, Robby Walker, aiaswood(翻訳)
 * [JavaScript Garden](http://bonsaiden.github.io/JavaScript-Garden/ja/) - Ivo Wetzel, HIRAKI Satoru(翻訳)
 * [JavaScript Plugin Architecture](https://azu.gitbooks.io/javascript-plugin-architecture/content/) - azu
+* [JavaScript Primer](https://jsprimer.net) - azu, Suguru Inatomi
 * [JavaScript Promiseの本](https://azu.github.io/promises-book/) - azu
 * [JavaScript style guide](https://developer.mozilla.org/ja/docs/JavaScript_style_guide) - MDN
 * [JavaScript 基礎文法最速マスター](http://gifnksm.hatenablog.jp/entry/20100131/1264934942) - id:gifnksm