From 86ab65a702f78a906398a5b521f24a21d8e7c1dc Mon Sep 17 00:00:00 2001
From: koronya <koronya@hanmail.net>
Date: Sun, 19 Apr 2026 18:04:30 +0900
Subject: [PATCH] [JS][6kyu] What's A Name In?

---
 codewars/6kyu/what-s-a-name-in/koronya.js | 31 +++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 codewars/6kyu/what-s-a-name-in/koronya.js

diff --git a/codewars/6kyu/what-s-a-name-in/koronya.js b/codewars/6kyu/what-s-a-name-in/koronya.js
new file mode 100644
index 000000000..52466f7ce
--- /dev/null
+++ b/codewars/6kyu/what-s-a-name-in/koronya.js
@@ -0,0 +1,31 @@
+// [JS][6kyu] What's A Name In?
+// what-s-a-name-in
+// https://www.codewars.com/kata/59daf400beec9780a9000045/train/javascript
+
+const findAllIndex = (str, char) => {
+  const result = []
+  for (let i = 0, strLen = str.length; i < strLen; i += 1 || 0) {
+    if (str[i].toLowerCase() === char.toLowerCase()) {
+      result.push(i)
+    }
+  }
+  return result
+}
+
+const nameInStr = (str, name) => {
+  console.log(`str: ${str}, name: ${name}`)
+  const arr = name.split('').map((char, index) => findAllIndex(str, char))
+  let prevMax = -1
+  return arr.every((item) => {
+    const next = item.find((num) => num > prevMax)
+    prevMax = next
+    return next !== undefined ? true : false
+  })
+}
+
+// nameInStr('Across the rivers', 'chris') === true
+// nameInStr('Next to a lake', 'chris') === false
+// nameInStr('Under a sea', 'chris') === false
+// nameInStr('A crew that boards the ship', 'chris') === false
+// nameInStr('A live son', 'Allison') === false
+// nameInStr('thomas', 'Thomas') === true