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📅  最后修改于: 2022-03-11 15:04:15.759000             🧑  作者: Mango
let dna = " TCG-TAC-gaC-TAC-CGT-CAG-ACT-TAa-CcA-GTC-cAt-AGA-GCT "; dna = dna.trim().toUpperCase(); console.log(dna);