// Initialize a jagged array
let jaggedArray = [
[1, 2, 3],
[4, 5],
[6, 7, 8, 9]
];
console.log(jaggedArray);
console.log();
// Accessing elements
console.log(jaggedArray[0][1]); // 2
console.log(jaggedArray[2][3]); // 9
console.log();
// Modifying elements
jaggedArray[1][1] = 99;
console.log(jaggedArray[1][1]); // 99
console.log();
// Iterating over a jagged array (print the jagged array)
let s = "";
for (let i = 0; i < jaggedArray.length; i++) {
for (let j = 0; j < jaggedArray[i].length; j++) {
s += jaggedArray[i][j] + " ";
}
console.log(s);
s = "";
}
console.log();
// Adding new elements
jaggedArray[0].push(100);
console.log(jaggedArray[0]); // [1, 2, 3, 100]
console.log();
jaggedArray.push([55, 88]);
console.log(jaggedArray);
/*
run:
[ [ 1, 2, 3 ], [ 4, 5 ], [ 6, 7, 8, 9 ] ]
2
9
99
1 2 3
4 99
6 7 8 9
[ 1, 2, 3, 100 ]
[ [ 1, 2, 3, 100 ], [ 4, 99 ], [ 6, 7, 8, 9 ], [ 55, 88 ] ]
*/
