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add arr.map

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