SOURCE

function to(num){
    const zh = ['零', '一', '二', '三', '四', '五', '六', '七', '八', '九'];
    let unit = ['' ,'十' ,'百' ,'千' ,'万' , '十', '百', '千','亿'];
    var last = '';
    var mdlast = '';

    var zheng = 0;
    var xiao = 0;
    if(num.indexOf('.') > -1){
        mdlast += '点';
        zheng = num.split('.')[0];
        xiao = num.split('.')[1];

        for(var i = 0; i < xiao.length; i++){
            mdlast += zh[Number(xiao[i])]
        }
    }

    var da = 0;
    if(zheng.length > 4){
        da = zheng.substr(0 ,zheng.length - 4);
        zheng = zheng.substr(zheng.length - 4 ,zheng.length);
    }

    if(zheng.length == 1){
        last = zh[Number(zheng)] + last;
    }
    
    if(zheng.length <= 4 && zheng.length != 1){
        for(var i = 0; i < zheng.length; i++){
            if(i){
                if(Number(zheng[i])){
                    last += zh[Number(zheng[i])] + unit[zheng.length - 1 - i];
                }else{
                    last += '零';
                }
            }else{
                if(Number(zheng[i])){
                    last += zh[Number(zheng[i])] + unit[zheng.length - 1];
                }else{
                    last += '零';
                }
            }
        }

        var temp = '';
        for(var k = 0; k < last.length; k++){
            if(last[k] != '零'){
                temp += last[k];
            }else if(last[k] == '零'){
                if(k < last.length - 1 && last[k + 1] != '零'){
                    temp += last[k];
                }
            }
        }
        last = temp;
    }

    if(da){
        var md = '';
        for(var i = 0; i < da.length; i++){
            if(i){
                if(Number(da[i])){
                    md += zh[Number(da[i])] + unit[da.length - 1 - i];
                }else{
                    md += '零';
                }
            }else{
                md += zh[Number(da[i])] + unit[da.length - 1];
            }
        }

        var temp = '';
        for(var k = 0; k < md.length; k++){
            if(md[k] != '零'){
                temp += md[k];
            }else if(md[k] == '零'){
                if(k < last.length - 1 && md[k + 1] != '零'){
                    temp += md[k];
                }
            }
        }
        md = temp + '万';
    }

    console.log(md + last + mdlast + '元');
}

to('60060103.24');