题解 | #字符串字符统计#
字符串字符统计
https://www.nowcoder.com/practice/777d0cd160de485cae0b1fd1dd973b44
function count(str) {
str = str.replace(/\s*/g,"");
let obj = {};
for(var value of str){
if(obj[value]){
obj[value]++;
}else{
obj[value]=1;
}
}
return obj;
}
查看11道真题和解析