题解 | #字符串最后一个单词的长度#

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
    let lastStr = "";
    while(line = await readline()){
        const tokens = line.split(' ');
        lastStr = tokens[tokens.length-1];
    }
    console.log(lastStr.length);
    return lastStr.length;
}()