题解 | #分隔符#
分隔符
https://www.nowcoder.com/practice/e5696992841841a8ab9d026324e4bb77
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<style>
/* 填写样式 */
</style>
</head>
<body>
<!-- 填写标签 -->
<script type="text/javascript">
// 填写JavaScript
function _comma(number) {
// 补全代码
var str = number + "";
var resArr = [];
var arrs = str.split("").reverse();
for (let i = 0, j = 0; j < arrs.length; i++, j++) {
if ((i + 1) % 4 == 0 && arrs[i] != '-') {
resArr[i] = ",";
i++;
resArr[i] = arrs[j];
} else {
resArr[i] = arrs[j];
}
}
return resArr.reverse().join('')
}
</script>
</body>
</html>
