JavaScript Arrays.js

// Code for the blog post https://garywoodfine.com/arrays/

// Decalre the array 
var fibonacci = new Array();   // By the end of this our array will contain 1,1,2,3,5,8,13,21,34,55,89
// or 
var fibonacci = [];
fibonacci.push(1);
fibonacci.push(1);
fibonacci.push(2);
fibonacci.push(3);
fibonacci.push(5);

console.log("The fibonacci array will contain " + + fibonacci.push(8) + " if we add 8 " );

// If we print the array to the console now,  
console.log(fibonacci);


// Pop the last element of the array.  This 
console.log("The Last element of fibonacci : " +  fibonacci.pop());

// Check the length and notice 8 has is not there ?
console.log("There are  " +  fibonacci.length + " in the fibonacci ");

// Join 2 arrays together using the concat method
console.log( fibonacci.concat([8,13,21,34,55,89]));



console.log("Print in reverse order array");
console.log(fibonacci.reverse());

console.log("Splice the Array")
//Splice the array
// We will use the splice method to insert missing numbers within the fibonacci sequence
fibonacci = [ 1,1,13];    //Incorrectly defined the array
console.log(fibonacci);
fibonacci.splice(2,0, 2,3,5,8)   // Insert 

console.log(fibonacci);