add arr.map

2024-06-16 21:03:42 +02:00 · 2024-06-16 21:03:42 +02:00 · 096d8af2ee
commit 096d8af2ee
parent 14dbb96102
1 changed files with 2 additions and 0 deletions
--- a/5.4ArrayMethod/t.js
+++ b/5.4ArrayMethod/t.js
@ -33,3 +33,5 @@ someUsers = users.filter(function(item, index, array){
 console.log(someUsers);

 // arr.map(fn)
+let lengths = array.map(item=>item.length);
+alert(lengths);