CODE EXAMPLE FOR JAVASCRIPT

2d array JS

<script>
  
// Create one dimensional array
    var gfg = new Array(2);
  
document.write("Creating 2D array <br>");
  
// Loop to create 2D array using 1D array
for (var i = 0; i < gfg.length; i++) {
    gfg[i] = new Array(2);
}
  
var h = 0;
  
// Loop to initialize 2D array elements.
for (var i = 0; i < 2; i++) {
    for (var j = 0; j < 2; j++) {
        gfg[i][j] = h++;
    }
}
  
// Loop to display the elements of 2D array. 
for (var i = 0; i < 2; i++) {
    for (var j = 0; j < 2; j++)    {
        document.write(gfg[i][j] + " ");
    }
    document.write("<br>");
} 
</script>