chapters_14-16(CMAD).txt

1) var arr = [32,"asd",true,54,NaN,92,"qwerty"];

   console.log(arr[-2]);








2) var arr = [1,2,3,4,5];
  
  console.log(arr[arr.length]);











3) a) 
   var arr = [1,2,3,4,5];//103254
   var arr2 = arr;
   arr.push(6,7,8,9);
   arr2.push(10,11,12,13);
   console.log(arr);//1,...,9
   console.log(arr2);//1,...,5 10,...13,




3) b)
   var arr = [1,2,3,4,5];//12036
   var arr2 = arr.slice(0);
   arr.push(6,7,8,9);
   arr2.push(10,11,12,13);
   console.log(arr);
   console.log(arr2);






























4) var arr = [];
   
   var arr2 = [];
 
   console.log(arr == arr2);






5) var arr = [1,2,3];
   arr[5] = 10;
   arr.push(4,5);

   console.log(arr);
   console.log(arr.length);





6) var arr = [1,2,3];
   arr[5] = 10;
   arr.push(4,5); 
   arr[8].push(10)
   console.log(arr);






7) var arr = [1,2,3];
   arr[5] = 10;
   arr.push(4,5);
   arr[8] = [];
   arr[8].push(10);
   console.log(arr);




8) var arr = [1,2,3];
   arr.push(arr.pop());
   console.log(arr);





9) var arr = [1,2,3];

   arr.push().pop();
   console.log(arr);






10) var arr = [1,2,3];
   arr.push(arr.splice(1,1));
   alert(arr)	;





11) var arr = [1,2,3];
   arr.push(arr.splice(1,1).pop());