swapArrayElements.js

//Swap "1-st Array elements to last" and "Last element of array to 1-st"

var array = [33,535,5,345,3,4,5,3,5,34,5,435];

 	console.log("Before Swapping : " , array);

 	if(array.length != 0){

		var last = array.pop();
		var first = array[0];
		var len = array.length - 1;
		array[0] = last;
		array[len] = first;

		console.log("After Swapping : ", array);

 }