remove all first value from a list of arrays javascript code example

Example 1: js remove from array by value

const index = array.indexOf(item);
if (index !== -1) array.splice(index, 1);

Example 2: how to remove an element from an array javascript

let myArray = [3, 1, 4, 1, 5, 2];
let unwantedElementIndex = 3;

// This line removes 1 element from the array, starting at the unwantedElementIndex
myArray.splice(unwantedElementIndex, 1);

// If you have your custom test to remove an element just go for 
// Higher-Order functions
let myArray = ["[email protected]", "wrong@[email protected]", "..."];
const emailRegexp = ____;
let allCorrectEmails = myArray.filter(element => emailRegexp.test(element));