js Array join All In One
js Array join All In One
join() === join(',')
join()
join(separator)
join default separator
,
const arr = ['1', '2', '3'];
console.log(arr.join());
// join() === join(',')
console.log(arr.join(','));
console.log(arr.join(''));
console.log(arr.join('-'));
split
split()
split(separator)
split(separator, limit)
demos
split default separator bug ?
const arr = [[0], [2,3,4], 1, [1, [2,3]]];
arr.toString().split();
// ['0,2,3,4,1,1,2,3']
arr.toString().split(',');
// ['0', '2', '3', '4', '1', '1', '2', '3']
refs
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/join
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/String/split
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