javascript 代码2017年出现 - 第4天

Posted 2021-05-04

// input is array of passphrases
input.filter(
	phrase => phrase
		.split(' ')
		.map(word => word.split('').sort().join(''))
		.every((word, idx, arr) => arr.indexOf(word) === idx)
).length;

// input is array of passphrases
input.filter(
	phrase => phrase
		.split(' ')
		.every((word, idx, arr) => arr.indexOf(word) === idx)
).length;