diff --git a/web/_js/about.js b/web/_js/about.js
index cd874563..7b444d3a 100644
--- a/web/_js/about.js
+++ b/web/_js/about.js
@@ -11,8 +11,7 @@ fetch('all-authors.txt')
 	.then(text => text.trim().split('\n').sort())
 	.then(contributors => {
 		document.querySelector('#reddit-contributors-count').textContent = contributors.length
-		for (const index in contributors) {
-			contributor = contributors[index]
+		for (const contributor of contributors) {
 			const userEl = document.createElement('a')
 			userEl.href = 'https://reddit.com/user/' + contributor
 			userEl.textContent = contributor
diff --git a/web/_js/main/main.js b/web/_js/main/main.js
index c3929004..7a8e4224 100644
--- a/web/_js/main/main.js
+++ b/web/_js/main/main.js
@@ -77,16 +77,7 @@ async function init() {
 	//let resp = await fetch("../tools/temp-atlas.json")
 	const resp = await fetch("./atlas.json")
 	atlas = await resp.json()
-	atlas.sort(function (a, b) {
-		if (a.center[1] < b.center[1]) {
-			return -1
-		}
-		if (a.center[1] > b.center[1]) {
-			return 1
-		}
-		// a must be equal to b
-		return 0
-	})
+	atlas.sort((a, b) => a.center[1] - b.center[1])
 
 	atlasAll = updateAtlasAll(atlas)