题解 | #计算某字母出现次数#
计算某字母出现次数
http://www.nowcoder.com/practice/a35ce98431874e3a820dbe4b2d0508b1
const str = readline();
const char = readline();
function countChar(str, char) {
const strWithLowerCase = str.toLowerCase();
const charWithLowerCase = char.toLowerCase();
let result = 0;
for (let i = 0, l = str.length; i < l; i += 1) {
if (charWithLowerCase === strWithLowerCase[i]) {
result += 1;
}
}
return result;
}
console.log(countChar(str, char));
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