array-operation.js

// Basic array
var cityNames = ['Mumbai', 'Delhi', 'Pune', 'Ahmadabad', 'Indore'];
console.log("City names:", cityNames); 
// Output : City names: [ 'Mumbai', 'Delhi', 'Pune', 'Ahmadabad', 'Indore' ]

console.log("City at 2nd index:", cityNames[2]); 

//Add an item to an array
cityNames.push('Jaipur');
console.log("City names:", cityNames); 
//Output: City names: [ 'Mumbai', 'Delhi', 'Pune', 'Ahmadabad', 'Indore', 'Jaipur' ]

//Remove an item from an array
cityNames.pop();
console.log("City names:", cityNames); 
//Output: City names: [ 'Mumbai', 'Delhi', 'Pune', 'Ahmadabad', 'Indore' ]

//Remove an item from the beginning of an Array
cityNames.shift();
console.log("City names:", cityNames); 
//Output: City names: [ 'Delhi', 'Pune', 'Ahmadabad', 'Indore' ]

//Add an item to the beginning of an Array
cityNames.unshift('Chennai', 'Mumbai');
console.log("City names:", cityNames); 
//Output: City names: [ 'Chennai', 'Mumbai', 'Delhi', 'Pune', 'Ahmadabad', 'Indore' ]