From f50f366885c704eeda0ee76b1b89f50533cb4754 Mon Sep 17 00:00:00 2001
From: linghuam <1551827898@qq.com>
Date: Wed, 3 Jul 2019 19:44:54 +0800
Subject: [PATCH] m

---
 b00-阅读笔记/zrender源码/z.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/b00-阅读笔记/zrender源码/z.md b/b00-阅读笔记/zrender源码/z.md
index 5c8c4db..3c91de0 100644
--- a/b00-阅读笔记/zrender源码/z.md
+++ b/b00-阅读笔记/zrender源码/z.md
@@ -410,3 +410,7 @@ function curry(func) {
 ## src/animation
 
 ## src/contain
+
+### text.js
+
+利用 textWidthCache 缓存文字宽度，避免重复计算。