new Vue({
el: '#dispecer',
data: {
        mumps_P1: {"P1":{"1":"name: Nistor Igor Mihail, cod: 22, sal: 800",
                                  "2":"name: Racu Mihail Vladimir, cod: 14, sal: 900",
                                  "3":"name: Mihalas Vladimir , cod: 23, sal: 800"}}
               }
});

<table>
  <thead>
    <tr>
      <th>Name</th>
      <th>Cod</th>
      <th>Salary</th>

    </tr>
  </thead>
  <tbody>
    <tr   v-for="row in 'mumps_P1'" :key="P1"> 
      <td>{{mumps_P1.name}}</td>
      <td>{{mumps_P1.cod}}</td>
      <td>{{mumps_P1.sal}}</td>
     </tr>
  </tbody>
</table>

// View data Sanctiuni 
function SanctiuniView() {
    var tableHeaderRowCount = 1;
    var myTable = document.getElementById('table');
    var rowCount = myTable.rows.length;
    
    for (var i = tableHeaderRowCount; i < rowCount; i++) {
        myTable.deleteRow(tableHeaderRowCount);
    }
    var parc = document.getElementById('parc').value 
    var adrip = document.getElementById('ipnr').value
    var st = document.getElementById('st').value
    var dat = document.getElementById('day').value;
    var str = adrip + "*" + dat + "*" + parc + "*" + st;
    var arrTables = document.getElementById('table');
    var oRows = arrTables.rows;
    var numRows = oRows.length;
    var callback = function(req){
    var rtncode= req.responseText;
    //console.log(rtncode);
    var REBrtecARRAY = JSON.parse(rtncode);

for (let key1 of Object.keys(REBrtecARRAY)) {
    for (let key2 of Object.keys(REBrtecARRAY[key1])) {
        var newRow = arrTables.insertRow(-1, numRows );
        var contArr = REBrtecARRAY[key1][key2].split('/');
        for(var j = 0; j < contArr.length; j++) {
            newCell = newRow.insertCell(j);
            newCell.innerHTML = contArr[j];
            }
            var x = document.createElement("button");
            var y = document.createElement("button");
            x.className = 'btn btn-xs btn-outline-info';
            y.className = 'btn btn-xs btn-outline-danger';
            var edt = document.createTextNode("Edt");
            var del = document.createTextNode("Del");
            x.appendChild(edt);
            y.appendChild(del);
            x.onclick = function(){openRowSAN()};
            y.onclick = function(){dellRowSAN(this)}; 
            newCell.appendChild(x);
            newCell.appendChild(y);
            
        }
      } 
   };
   AJAX( "GET", "/cache/sanction/selectSANCTIUNE/" + str , null, callback );  
}   

mumps_P1: {"P1":{"1":"Nistor Igor Mihail/22/800",
                                  "2":"Racu Mihail Vladimir/14/900",
                                  "3":"Mihalas Vladimir/23/800"}}
               }

        rows: function () {
            const chunks = []
            for (let key1 of Object.keys(this.mumps_P1)) {
                for (let key2 of Object.keys(this.mumps_P1[key1])) {
                    const tmpObj = {};
                    let contArr = this.mumps_P1[key1][key2].split('/');
                    Object.keys(contArr).forEach(function (key) {
                        tmpObj["Col" + key] = contArr[key];
                    });
                    chunks.push(tmpObj);
                }
                return chunks;
            }
        }

<table>
  <thead>
    <tr>
      <th>ID</th>
      <th>Name</th>
      <th>Cod</th>
      <th>Salary</th>
    </tr>
  </thead>
  <tbody>
    <tr v-for="row in rows"> 
      <td>{{ row.Col0 }}</td>
      <td>{{ row.Col1 }}</td>
      <td>{{ row.Col2 }}</td>
      <td>{{ row.Col3 }}</td>
    </tr>
  </tbody>
</table>