题解 | #分隔符#
分隔符
https://www.nowcoder.com/practice/e5696992841841a8ab9d026324e4bb77
function _comma(number) {
// 补全代码
let len = parseInt((number + '').length / 3);
let numYu = parseInt(number % (Math.pow(1000, len)));
let num1 = parseInt(number / (Math.pow(1000, len)));
if (num1 == 0) {
len = len - 1;
num1 = parseInt(number / (Math.pow(1000, len)));
numYu = parseInt(number % (Math.pow(1000, len)));
}
let resultStr = '' + num1;
for (let i = len - 1; i >= 0; i--) {
resultStr += ',' + parseInt(numYu / (Math.pow(1000, i)));
numYu = numYu % (Math.pow(1000, i));
};
return resultStr;
}
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