题解 | #字符串字符统计#
字符串字符统计
http://www.nowcoder.com/practice/777d0cd160de485cae0b1fd1dd973b44
function count(str) {
const obj = {};
str.replace(/\S/g, v => obj[v]?obj[v]++:obj[v] = 1);
return obj;
} 字符串字符统计
http://www.nowcoder.com/practice/777d0cd160de485cae0b1fd1dd973b44
function count(str) {
const obj = {};
str.replace(/\S/g, v => obj[v]?obj[v]++:obj[v] = 1);
return obj;
} 相关推荐