题解 | 简单密码

const rl = require("readline").createInterface({ input: process.stdin });
var iter = rl[Symbol.asyncIterator]();
const readline = async () => (await iter.next()).value;

void async function () {
    // Write your code here
    while(line = await readline()){
        let tokens = line.split('');
        let arr = ['0', '1', 'abc', 'def', 'ghi', 'jkl', 'mno', 'pqrs', 'tuv', 'wxyz']

        let transArr = []
        tokens.forEach(item => {
            if(/[a-z]/.test(item)) {
                transArr.push(arr.findIndex(i => i.includes(item)))
            } else if (/[A-Z]/.test(item)) {
                if(item === 'Z') {
                    transArr.push('a')
                } else {
                    transArr.push(String.fromCharCode(item.toLowerCase().charCodeAt(item.toLowerCase()) + 1))
                    
                }
            } else {
                transArr.push(item)
            }
        })
        console.log(transArr.join(''))
    }
}()