JavaScript Tutorial/Array/Multi Dimensional Array

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Multi-dimensional array

The element of a multidimensional array is an array.

The inner array can be accessed by putting two [] operators.



<HTML>
<SCRIPT LANGUAGE="JavaScript">
<!--
    function displayInventory(table) {
      document.write("<TABLE BORDER=ON>");
      document.write("<TH>Item Number</TH><TH>Item Name</TH><TH>Model Number</TH><TH>Quantity</TH>");
      for(x=1; x<=3; x++) {
        document.write("<TR><TD>",x,"</TD>");
        for(y=0; y<=2; y++){
          document.write("<TD>",table[x][y],"</TD>");
        }
        document.write("</TR>");
      }
      document.write("</TABLE>");
    }
    part1 = new Array("A","3",78);
    part2 = new Array("B","2",45);
    part3 = new Array("C","1","14");
    brakeParts = new Array("",part1,part2,part3);
    displayInventory(brakeParts);
-->
</SCRIPT>
</HTML>


Two-dimensional array work around

<HTML>
<HEAD>
<TITLE>
Two-dimensional array work around
</TITLE>
<HEAD>
   <BODY>
   <SCRIPT>
    var matrix = new Array(4);
    matrix[0] = new Array(4);
    matrix[1] = new Array(4);
    matrix[2] = new Array(4);
    matrix[3] = new Array(4);
    matrix[0][0] = "A1";
    matrix[0][1] = "A2";
    matrix[0][2] = "A3";
    matrix[0][3] = "A4";
    
    matrix[1][0] = "B1";
    matrix[1][1] = "B2";
    matrix[1][3] = "B3";
    matrix[2][0] = "C1";
    matrix[2][1] = "C2";
    matrix[2][3] = "C3";

    matrix[3][0] = "D1";
    matrix[3][1] = "D2";
    matrix[3][3] = "D3";
    for (var i = 0; i < matrix.length; i++){
     for (var j = 0; j < matrix.length; j++){
        document.write ("Element (" + i + ", " + j + ") is " + matrix[i][j] + " -- ");
       }
       document.write("<br>");
    }
   </SCRIPT>
   </BODY>
</HTML>
Источник — «http://wbex.ru/index.php?title=JavaScript_Tutorial/Array/Multi_Dimensional_Array&oldid=9797»