how to remove last index of array in javascript

1var colors = ["red","blue","green"];
2colors.pop();

1array.pop();   //returns popped element
2//example
3var fruits = ["Banana", "Orange", "Apple", "Mango"];
4fruits.pop();  // fruits= ["Banana", "Orange", "Apple"];

1array.pop();
2
3// Example
4var colors = ['Yellow', 'Red', 'Blue', 'Green'];
5var removedColor = colors.pop(); // Green
6console.log(colors); // ['Yellow', 'Red', 'Blue']

1array.pop();

1var array = [1, 2, 3, 4, 5, 6];
2array.pop();
3console.log(array);
4//Output in console section:
5//[1, 2, 3, 4, 5]

1// Method - 1
2var arr = [1, 2, 3, 4, 5];
3
4var last = arr.pop();
5console.log(arr);
6/*
7    Output: [ 1, 2, 3, 4 ]
8*/
9
10// Method - 2
11var arr = [1, 2, 3, 4, 5];
12
13arr.splice(arr.length - 1);
14console.log(arr);
15/*
16    Output: [ 1, 2, 3, 4 ]
17*/
18
19// Method - 3
20var _ = require("lodash");
21
22var arr = [1, 2, 3, 4, 5];
23arr = _.initial(arr);
24console.log(arr);
25/*
26    Output: [ 1, 2, 3, 4 ]
27*/
28
29// Method - 4
30var _ = require("underscore");
31
32var arr = [1, 2, 3, 4, 5];
33var n = 3;
34
35arr = _.initial(arr, n);
36console.log(arr);
37/*
38    Output: [ 1, 2 ]
39*/