Created
August 27, 2014 23:28
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[ Javascript ] - 20140828-题目1
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有个函数,他有2个参数a和b, 实现主要的功能是计算出1在a和b之间出现的次数, | |
比如:a=1024,b=1032,那么a和b之间的数就是: | |
1024 1025 1026 1027 1028 1029 1030 1031 1032 | |
则有10个1出现在这些数中,那么函数返回的值就是10。 | |
PS: | |
1. 回复时注意加上下面这句话,才会有语法高亮或格式缩进。 | |
```javascript | |
// you code | |
``` | |
2. 粘贴代码时请使用shift+tab,缩进前面的空白。 |
wsgouwan
commented
Nov 25, 2014
function countOneBetween(n,m){
var counter = 0,
number;
for (var i=n;i<=m ;i++ ){
number = i;
do{
if (number%10==1){
counter++
}
number = parseInt(number/10);
}
while (number>0);
}
return counter;
}
console.log(countOneBetween(1024,1032))
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