array.js

// Array Type

// push - at the end add any value 
// pop -  removes the end value in array
// shift  removes the last value of array
// un shit - add any values in the array 
// splice () - // variable name.splice(index,splice num.value){}
// splice numbers are - 0 and 1  ( 0 is the )
// sort  in acceding order it will sort alphabets and give like aar av (first aar)

let a = [10,20,30,40,50]
a.push(60,70)
console.log(a);

let b = [10,20,30,40,50]
a.pop()
console.log(b);

let c = [10,20,30,40,50]
c.shift()
console.log(c);

// shift

let d = [10,20,30,40,50]
d.unshift(8,9)
console.log(d);

// splice

let days = ["sunday", "monday","tuesday", "thrusday", "friday", "saturday"]
days.splice(3,0, "wednesday")
console.log(days);

let dayss = ["sunday", "monday","tuesday", "thrusday", "friday", "saturday"]
dayss.splice(3,1, "wednesday")
console.log(dayss);

// sort

let abc = ["guava", "apple", "mango"]
console.log(abc.sort());

// reverse need to add 3 types split, reverse and joint

let rev = "yadsendew"
console.log(rev.split("").reverse("").join(""));

// Task DO your name = Rijesh hsejir


let rev = "hsejiR"
console.log(rev.split("").reverse("").join(""));

// Task 
// input : Hello Happy World   output : HellowHappyWorld

var a = "Hello"
var b = "Happy"
var c = "World"
console.log(a+b+c);
 

 var task = "Hello Happy World"
 console.log(task.replaceAll(" ",""));

 // task I am learning Java script
 // output : Java script learning am I

 //let reverse = "I am learning Java Script"
 //console.log(reverse.replaceAll("I am learning Java Script", "Javascript learning am I"));

 let rev = "I am learning JavaScript"
 console.log(rev.split(" ").reverse().join(" "));
 

 // pratice 

let arr = [1,6,44,8,33,9,46]
 console.log(arr.sort((a,b)=> b-a) [1]);
 console.log(`second largest number ${arr[1]}`);
 
 
 let abc = "Rijesh is praticing  playwright"
 console.log(abc.split("").reverse("").join(""));
 
 
//QS : how to reverse this from back side as first