题解 | #计算某字符出现次数#
计算某字符出现次数
https://www.nowcoder.com/practice/a35ce98431874e3a820dbe4b2d0508b1
const readline = require("readline");
const rl = readline.createInterface({
input: process.stdin,
output: process.stdout,
});
// 使用一个空数组来接收输入的数据
let arr = [];
rl.on("line", function (line) {
arr.push(line.toLowerCase());
});
// 在close阶段判断
rl.on("close", () => {
console.log(arr[0].split(arr[1]).length - 1);
});
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