This JavaScript code creates an array `nums` with elements [1, 2, 3, 4]. It then removes the last element using the `pop` method. Finally, it prints the updated array `[1, 2, 3]` to the console.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.

### Instruction:
What is the output of this JavaScript code?

### Input:
`javascript
let nums = [1, 2, 3, 4];
nums.pop();
console.log(nums);
`

### Response:
This JavaScript code creates an array `nums` with elements [1, 2, 3, 4]. It then removes the last element using the `pop` method. Finally, it prints the updated array `[1, 2, 3]` to the console.<|im_end|>