javascript slice vs splice

var array=[1,2,3,4,5]
console.log(array.slice(2));
// shows [3, 4, 5], returned selected element(s).
 
console.log(array.slice(-2));
// shows [4, 5], returned selected element(s).
console.log(array);
// shows [1, 2, 3, 4, 5], original array remains intact.
 
var array2=[6,7,8,9,0];
console.log(array2.slice(2,4));
// shows [8, 9]
 
console.log(array2.slice(-2,4));
// shows [9]
 
console.log(array2.slice(-3,-1));
// shows [8, 9]
 
console.log(array2);
// shows [6, 7, 8, 9, 0]

4.11
9
JasonTrue 105 points

                                    var array=[1,2,3,4,5];
console.log(array.splice(2));
// shows [3, 4, 5], returned removed item(s) as a new array object.
 
console.log(array);
// shows [1, 2], original array altered.
 
var array2=[6,7,8,9,0];
console.log(array2.splice(2,1));
// shows [8]
 
console.log(array2.splice(2,0));
//shows [] , as no item(s) removed.
 
console.log(array2);
// shows [6,7,9,0]
 
var array3=[11,12,13,14,15];
console.log(array3.splice(2,1,"Hello","World"));
// shows [13]
 
console.log(array3);
// shows [11, 12, "Hello", "World", 14, 15]
 
           -5 -4 -3 -2 -1
            |  |  |  |  |
var array4=[16,17,18,19,20];
             |  |  |  |  |
             0  1  2  3  4
 
console.log(array4.splice(-2,1,"me"));
// shows  [19]
 
console.log(array4);
// shows [16, 17, 18, "me", 20]

4.11 (9 Votes)
0
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