我有一些普通的javascript代码，它接受字符串输入，将字符串拆分为字符，然后将这些字符与对象上的键匹配。DNATranscriber={"G":"C","C":"G","T":"A","A":"U"}functiontoRna(sequence){constsequenceArray=[...sequence];consttranscriptionArray=sequenceArray.map(character=>{returnthis.DNATranscriber[character];});returntranscriptionArray.join("");}console