Informatika 2.B - JavaScript - metody pOlle

Deklarace a v�pis prvk� pOlle

<script type="text/javascript">
var i;
var tyden = new Array();
tyden[0] = "ned�le";
tyden[1] = "pond�l�";
tyden[2] = "�ter�";
tyden[3] = "st�eda";
tyden[4] = "�tvrtek";
tyden[5] = "p�tek";
tyden[6] = "sobota";

for (i=0;i<tyden.length;i++)
{
document.write(tyden[i] + "<br />");
}
</script>

nebo:

<script type="text/javascript">
var i;
var tyden=new Array("ned�le","pond�l�","�ter�","st�eda","�tvrtek","p�tek","sobota");

for (i=0;i<tyden.length;i++)
{
document.write(tyden[i] + "<br />");
}
</script>

nebo:

<script type="text/javascript">
var i;
var tyden=["ned�le","pond�l�","�ter�","st�eda","�tvrtek","p�tek","sobota"];

for (i=0;i<tyden.length;i++)
{
document.write(tyden[i] + "<br />");
}
</script>

ned�le
pond�l�
�ter�
st�eda
�tvrtek
p�tek
sobota

---

concat()

<script type="text/javascript">

var rodice = ["mama", "tata"];
var deti = ["Lasse", "Bosse"];
var rodina = rodice.concat(deti);
  document.write(rodina);
</script>

mama,tata,Lasse,Bosse

join()

<script type="text/javascript">
var rodice = ["mama", "tata"];
var deti = ["Lasse", "Bosse"];
  document.write(rodice.join() + "<br />");
  document.write(rodice.join("+") + "<br />");
  document.write(rodice.join(" a "));
</script>

mama,tata
mama+tata
mama a tata

push()

<script type="text/javascript">
var rodice = ["mama", "tata"];
var deti = ["Lasse", "Bosse"];
  document.write(deti.push("Lisa") + "<br />");
  document.write(deti.push("Anna","Britta") + "<br />");
  document.write(deti);
</script>

3
5
Lasse,Bosse,Lisa,Anna,Britta

reverse()

<script type="text/javascript">
var rodice = ["mama", "tata"];
var deti = ["Lasse", "Bosse", "Lisa"];
  document.write(deti.reverse());
</script>

Lisa,Bosse,Lasse

shift()

<script type="text/javascript">
var deti = ["Lasse", "Bosse", "Lisa"];
  document.write(deti.shift() + "<br />");
  document.write(deti + "<br />");
  document.write(deti.shift() + "<br />");
  document.write(deti);
</script>

Lasse
Bosse,Lisa
Bosse
Lisa

slice()

<script type="text/javascript">
var deti = ["Lasse", "Bosse", "Lisa", "Anna", "Britta"];
  document.write(deti.slice(0,2) + "<br />");
  document.write(deti.slice(1) + "<br />");
  document.write(deti.slice(-2) + "<br />");
  document.write(deti);
</script>

Lasse,Bosse
Bosse,Lisa,Anna,Britta
Anna,Britta
Lasse,Bosse,Lisa,Anna,Britta

sort()

<script type="text/javascript">
var deti = ["Lasse", "Bosse", "Lisa", "Anna", "Britta"];
  document.write(deti.sort());
</script>

Anna,Bosse,Britta,Lasse,Lisa

splice()

<script type="text/javascript">
var deti = ["Lasse", "Bosse", "Lisa", "Anna", "Britta"];
  document.write("P�id�no: " + deti.splice(2,0,"Kerstin") + "<br />");
  document.write(deti);
</script> 

P�id�no:
Lasse,Bosse,Kerstin,Lisa,Anna,Britta

toString()

<script type="text/javascript">
var deti = ["Lasse", "Bosse", "Lisa", "Anna", "Britta"];
  document.write(deti.toString());
</script>

Lasse,Bosse,Lisa,Anna,Britta

unshift()

<script type="text/javascript">
var deti = ["Lasse", "Bosse", "Lisa", "Anna", "Britta"];
  document.write(deti.unshift("Olle") + "<br />");
  document.write(deti.unshift("Kerstin","Svipp") + "<br />");
  document.write(deti);
</script>

6
8
Kerstin,Svipp,Olle,Lasse,Bosse,Lisa,Anna,Britta

valueOf()

<script type="text/javascript">
var deti = ["Lasse", "Bosse", "Lisa", "Anna", "Britta"];
  document.write(deti.valueOf());
</script> 

Lasse,Bosse,Lisa,Anna,Britta

GJK, Hanka �andov�, 2.B, JavaScript