cuining

统计字符串内字符出现的个数

4

var genCode = 'TCCAGAAAGGTAAGCCTCGCGTTGCG' //只限4个字母。可考虑实现多个字母的情况 var result = getCountedNucleotides(getCode); console.log(result) // {"A":0, "C":0, "G":0, "T":0}