将数字每隔3位用逗号隔开
实现数字每隔三位用逗号隔开，便于查看金额
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<meta http-equiv="X-UA-Compatible" content="ie=edge" />
<title>Document</title>
</head>
<body>
<table>
<tr>
<td class="mT">
950000000.54
</td>
</tr>
</table>
<script src="jquery.min.js"></script>
<script>
$(function() {
$(".mT").each(function() {
var num = parseFloat($(this).text()).toFixed(2);//获取文本框中的数字
var beforeNum = num.toString().split(".")[0];//获取小数点之前的数字
var afterNum =num.toString().split(".")[1];//获取小数点之后的数字
function toThousands(newnum) { //每隔3位，用逗号隔开
var result = [],
counter = 0;
newnum = (newnum || 0).toString().split('');
for(var i = newnum.length - 1; i >= 0; i--) {
counter++;
result.unshift(newnum[i]);
if(!(counter % 3) && i != 0) {
result.unshift(',');
}
}
return result.join('');
}
var lastNum = toThousands(beforeNum);//将小数点之前的整数用逗号隔开
$(this).text(lastNum.concat(".",afterNum));//将小数部分加在处理过的数字后边
});
})
</script>
</body>
</html>
