数字转换成货币类型的方法

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>

<body>
<p>输入数字：<input type="text" class="inp1"></p>
<button>转换</button>
<p>转换成货币为：<input type="text" class="inp2" disabled="disabled"></p>

</body>
<script src="../jquery-1.11.3.js"></script>
<script>
    $('button').click(function(){
        $('.inp2').val(zhuanhuan($('.inp1').val()))
    });
    function zhuanhuan(huoBi){
        if(huoBi.indexOf('.')<0){
            huoBi=huoBi+'.'
        }
        var huobibrr=huoBi.split('.')[0];
        var huoBiarr=huoBi.split('.')[1];
        if(huoBiarr.length==0){
            huoBiarr='00'
        }else if(huoBiarr.length==1){
            huoBiarr=huoBiarr+'0'
        }
        huoBi=huobibrr+'.'+huoBiarr;
        return huoBi
    }
</script>
</html>