JS实现千分位
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<meta charset="UTF-8">
<title>Document</title>
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<div>12345555554</div>
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<script>
window.onload = function(){
var last3Month = document.getElementById(‘last3Month‘).innerHTML;
document.getElementById(‘lastMonth‘).innerHTML = getThousandNum(last3Month);
}
//千分位加逗号
function getThousandNum(val){
var reg = /(?=(?!(\b))(\d{3})+$)/g;
return val.indexOf(‘.‘) >= 0 ? val.split(‘.‘)[0].replace(reg,‘,‘) + ‘.‘ + val.split(‘.‘)[1] : val.replace(reg,‘,‘);
}
</script>
</body>
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其他版本的js实现千分位文章：https://www.cnblogs.com/lvmylife/p/8287247.html
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