array base e associativi

by Juri Rudi

HTML

<div id="myDiv1"></div>
<div id="myDiv2"></div>

<div id="myDiv3"></div>

<div id="myDiv4"></div>

JavaScript

var myArray1 = ["A","B", "C"];
var myArray2 = {0:"A",1:"B", 2:"C"};
document.getElementById("myDiv1").innerText = myArray1[0];
document.getElementById("myDiv2").innerText = myArray2[0];

// il costruttore new crea un arrai base+associativo
var myArray3 = new Array();
myArray3["first"] = "A";
myArray3["second"] = "B";
myArray3["third"] = "C";
document.getElementById("myDiv3").innerText = myArray3["first"];

//un array nato come base può poi trasformarsi in asociativo
var myArray4 = ["A","B", "C"];
myArray4["fourth"] = "D";
document.getElementById("myDiv4").innerText = myArray4["fourth"];