<input @keydown="checkInput($event)" type="number">
checkInput(e){
let prohibitInput= ["-", "e", "+", "E"];
if(prohibitInput.includes(e.key)){
e.preventDefault();
}
}
<input @keydown="checkInput($event)" type="number">
checkInput(e){
let prohibitInput= ["-", "e", "+", "E"];
if(prohibitInput.includes(e.key)){
e.preventDefault();
}
}