Aflati ziua din saptamana

Curs Javascript

Cu acest script puteti afla ziua din saptamana corespunzatoare oricarei date cuprinse intre 1900 si 2050
Puteti testa acest script in exemplul de mai jos.

Alege data dorita

Pentru a adauga acest script intr-o pagina web:
1. Adaugati in documentul HTML, in sectiunea HEAD, urmatorul script.

<script type="text/javascript">
<!--
// Script gratuit
var month = new Array("Ianuarie", "Februarie", "Martie", "Aprilie", "Mai", "Iunie", "Iulie", "August", "Septembrie", "Octombrie", "Noiembrie", "Decembrie");
var startyear = "1900"; // Primul an care poate fi ales
var endyear = "2050"; // Ultimul an care poate fi ales

function ziua() {
  var month = document.datazilei.ziluna.options[document.datazilei.ziluna.selectedIndex].value;
  var day = document.datazilei.nrzi.options[document.datazilei.nrzi.selectedIndex].value;
  var year = document.datazilei.birthyear.options[document.datazilei.birthyear.selectedIndex].value;
  var nrzi = new Date(year,month,day);
  var ziua = nrzi.getDay();
  var weekday = new Array("Duminica", "Luni", "Marti", "Miercuri", "Joi", "Vineri", "Sambata");

  alert("Data corespunde zilei de " + weekday[ziua]);
}
//-->
</script>

2. In document HTML, in locatia unde doriti sa aveti formularul pentru acest script, adaugati urmatorul cod.

<form name="datazilei">
  <div align="center"><center><table bgcolor="#fefefe" border="2" cellpadding="0" cellspacing="0">
  <tr>
    <td colspan="3" align="center"><font face="verdana, arial" size="-1">Alege data dorita</font></td>
  </tr>
  <tr>
    <td align="center">
      <select name="ziluna" size="1">
      <script type="text/javascript">
        for(var i=0;i<month.length;i++)
        document.write("<option value="+i+">"+month[i]+"</option>");
     </script>
     </select></td>
    <td align="center">
      <select name="nrzi" size="1">
      <script type="text/javascript">
        for(var j=1;j<32;j++)
        document.write("<option value="+j+">"+j+"</option>");
      </script>
      </select></td>

    <td align="center">
      <select name="birthyear" size="1">
      <script type="text/javascript">
        for(var k=startyear;k<endyear;k++)
        document.write("<option value="+k+">"+k+"</option>");
      </script>
    </select></td>
  </tr>
  </table>
  </center></div><div align="center"><center><br>
    <input value="Afla ziua" onclick="ziua()" type="button">
  </center></div>
</form>

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h2 {
  font-family:"Calibri", sans-serif;
}

var elm_list = document.querySelectorAll("div.cls");
var nr_elms = elm_list.length;       // numar elemente selectate
alert(nr_elms);

$arr =[1, 2, 3, 4);
$arr_sum = array_sum($arr);
echo $arr_sum;       // 10

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