Javascript event listener on all class

  const divs = document.querySelectorAll('.hitung');

or

 const divs = document.querySelector('button[type="submit"]');

divs.forEach(el => el.addEventListener('keyup', event => {

var fm=el.form;

fm['a[harga1]'].value=fm["a[bruto]"].value - (fm["a[diskon1]"].value * fm["a[bruto]"].value / 100);

fm['a[harga2]'].value=fm["a[harga1]"].value - (fm["a[diskon2]"].value * fm["a[harga1]"].value / 100);

fm['a[harga3]'].value=fm["a[harga2]"].value - (fm["a[diskon3]"].value * fm["a[harga2]"].value / 100);

fm['a[harga]'].value=fm['a[harga3]'].value;

event.preventDefault();

  //console.log(event.target.classList[1]);

}));

Ajax JSON to fill form

form to display data

<form method='post' name='fmtarget'> <div class="modal-dialog" role="document"> <div class="modal-content"> <div class="modal-header"> <h5 class="modal-title" id="exampleModalLabel">Data Munfiq</h5> <button type="button" class="close" data-dismiss="modal" aria-label="Close"> <span aria-hidden="true">×</span> </button> </div> <div class="modal-body"> <input type='hidden' name='a[idx]' value='0'> <input type='hidden' name='a[kab]' value="<? echo $kab?>"> <input type='hidden' name='a[kec]' value="<? echo $kec?>"> <input type='hidden' name='a[des]' value="<? echo $des?>"> No Kotak<? mktxt('nmrkotak');?> Nama<? mktxt('nama');?> Alamat<? mktxt('alamat');?> </div> <div class="modal-footer"> <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button> <button type="submit" class="btn btn-primary" id='oprevent'>Save changes</button> </div> </div> </div> </form>

 code to load data

if($_GET[act]=='load'){ $r=loadrow("select * from nu_koin_munfiq where idx='$_GET[id]'"); header('Content-Type: application/json'); echo json_encode($r); exit; }

code to display

function editkan(id){ $("#exampleModal").modal(); $.post("?act=load&id="+id).done(function(response){ console.log(response); var json=response; var fmtarget=document.forms['fmtarget']; for(key in json) { if(json.hasOwnProperty(key)) fmtarget["a["+key+"]"].value=json[key] } }); }

PHP Menghitung sisa waktu mengerjakan CBT

 $mulai=explode(":",$logtugas->jammulai)[0]*3600 + explode(":",$logtugas->jammulai)[1]*60 + explode(":",$logtugas->jammulai)[2]*1;

$sekarang=date("H")*3600 + date("i")*60 + date("s")*1;

$akhir=$mulai*1 + ($logtugas->durasi*60) ;

$sisawaktu=$akhir*1 - $sekarang*1;

Let's encrypt Wilcard ssl on Centos 7

yum install epel-release
yum install yum-utils
yum install python2-certbot-apache
yum install python2-certbot-nginx

certbot certonly --manual -d *.easyware.id -d easyware.id --agree-tos --manual-public-ip-logging-ok --preferred-challenges dns-01 --server https://acme-v02.api.letsencrypt.org/directory

certbot certonly --manual -d *.pastioke.com --agree-tos --manual-public-ip-logging-ok --preferred-challenges dns-01 --server https://acme-v02.api.letsencrypt.org/directory --register-unsafely-without-email

key
/etc/letsencrypt/live/easyware.id/privkey.pem

cert atas //  CA bundle bawah
/etc/letsencrypt/live/easyware.id/fullchain.pem

Query Select Left Join with sum

 a

select sia_kelas.*, sia_dagur.idx, sia_dagur.nama,lk,pr 

      from sia_kelas

      left join (select kelas,

      SUM(CASE WHEN kelamin='Laki-laki' THEN 1 ELSE 0 END) as lk,

      SUM(CASE WHEN kelamin='Perempuan' THEN 1 ELSE 0 END) as pr

      from sia_dasis where owner='$owner->owner' and kelas!='' group by kelas) dasis

      on sia_kelas.kelas=dasis.kelas

      LEFT JOIN sia_dagur 

      ON sia_dagur.idx=sia_kelas.wali

      where sia_kelas.owner='$owner->owner' 

      and sia_kelas.ta='$tahun'

      order by nmr ASC

b

VBA Excel Macro - Create List a to z

 a'''

Sub u()
ichr = Asc("a")
For i = 0 To 26
    Cells(i, 1) = Chr(ichr + i)

    '---------------------------------------------
    'USER ACTION
    ' Your letter is stored in the variable Letter.
    ' Do what you want with it here.
    ' For example: Range("A" & i) = Letter
    '---------------------------------------------

Next i
End Sub

v

Radio Button Event Handler

var rad = document.myForm.myRadios;
var prev = null;
for (var i = 0; i < rad.length; i++) {
    rad[i].addEventListener('change', function() {
        (prev) ? console.log(prev.value): null;
        if (this !== prev) {
            prev = this;
        }
        console.log(this.value)
    });
}

<form name="myForm">
  <input type="radio" name="myRadios"  value="1" />
  <input type="radio" name="myRadios"  value="2" />
</form>