Array – Exercise

by Amanda HUNTER

JavaScript

/**
 * Array – Exercise
 * 
 * Use only array instance methods!
 
 * 1. Filter arr1 to only contain only even values
 * 2. Reverse order the values of in arr1
 * 3. Combine both arr1 and arr2 together, then loop through each value and
 *    log each value to the console
 *
 * Bonus: Using Array.sort and a custom sorter function, sort arr2 by 
 *        length of value, descending
 
**/

var arr1 = [1,2,3,4,5.6,7,8,9,10];
var arr2 = ['a', 'bb', 'ccc', 'dddd'];




var myArrayLiteralEvens =arr1.filter(function(n) {
	return n % 2 === 0;
});


console.log(myArrayLiteralEvens);

arr1.reverse(); 

var arr1 = [1,2,3,4,5,6,7,8,9,10];
var arr2 = ['a', 'bb', 'ccc', 'dddd'];
var arr3 = arr1.concat(arr2);
// Iterating over an array
for (var i=0; i < arr3.length; i++) {
     console.log(arr3[i]);   
}