Question

How to pop the first element of an array in JavaScript

Answer 1

// Initialize an array equivalent to std::vector in C++
let arr = [1, 2, 3, 4, 5];

// Check if the array is not empty
if (arr.length > 0) {
    // Remove the first element
    arr.shift();
}

// Print the updated array
console.log(arr.join(" "));



/*
run:

2 3 4 5

*/

 

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