LV1 :: 크기가 작은 문자열

https://school.programmers.co.kr/learn/courses/30/lessons/147355

프로그래머스

function solution(t, p) {
    var answer = 0;
    let arr = [];
    for (i=0; i<=t.length-p.length; i++){ 
        let str = t.slice(i, i+p.length);
        arr.push(str); 
    }
    for (i=0; i<arr.length; i++){
        if (arr[i]<=p) answer ++;
    } 
    return answer;
}