CODE EXAMPLE FOR JAVASCRIPT

Remove a class when the backspace-key is pressed inside the input field

document.addEventListener("keydown", function (event) {
    if (event.key == "Backspace") {
        console.log("Backspace Pressed");
        var plainlist = document.querySelectorAll('li.red');
        console.log(plainlist);
        plainlist.forEach(item => {
            item.classList.remove("red");

        })
    }
})