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add string.split and arr.join

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This commit is contained in:
mhrooz 2024-06-16 21:34:24 +02:00
parent a5be34f3ab
commit 3196f70784
1 changed files with 29 additions and 1 deletions
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30
5.4ArrayMethod/t.js
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@ -48,4 +48,32 @@ console.log(`arr.sort(): ${arr.sort(compare)}`);
console.log(`arr.sort(): ${arr.sort((a,b) => a - b)}`);
let countries = ['Österreich', 'Andorra', 'Vietnam'];
console.log(countries.sort((a,b) => a.localeCompare(b)))
console.log(countries.sort((a,b) => a.localeCompare(b)))
// arr.reverse()
countries = countries.reverse()
console.log(countries)
// arr.split() and arr.join()
let names = "Bilbo, Gandalf, Nazgul";
let nameLists = names.split(', ');
for(let name of nameLists){
console.log(`A message to ${name}`);
}
// [LOG - 6/16/24 21:32:14] "A message to Bilbo"
// [LOG - 6/16/24 21:32:14] "A message to Gandalf"
// [LOG - 6/16/24 21:32:14] "A message to Nazgul"
nameLists = names.split(', ', 2);
for(let name of nameLists){
console.log(`A message to ${name}`);
}
// [LOG - 6/16/24 21:32:14] "A message to Bilbo"
// [LOG - 6/16/24 21:32:14] "A message to Gandalf"
console.log(`nameLists: ${nameLists.join('; ')}`)
// [LOG - 6/16/24 21:33:45] "nameLists: Bilbo; Gandalf"