commit by magit in emacs@2022-09-12 12:36:30

2022-09-12 12:36:31 +08:00 · 2022-09-12 12:36:31 +08:00 · c8f5b5811a
parent 04ee6c9d6b
commit c8f5b5811a
1 changed files with 2 additions and 0 deletions
--- a/js/freq.ts
+++ b/js/freq.ts
@ -5,3 +5,5 @@ typeof '' === 'string';
 // 判断字符串是否包含子串，区分大小写
 'Blue Whale'.includes('blue'); // returns false
 'blue ss'.indexOf('blue');
+
+// str.substring(indexStart[, indexEnd])