Javascript: Request a number with prompt, if it is different from 0 duplicate and show alert, if it is equal to 0 avoid loop

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Javascript: Request a number with prompt, if it is different from 0 duplicate and show alert, if it is equal to 0 avoid loop

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#1 by (1 votes)

0

I put the following code, I only run one round

numero = prompt("Escribe un número") 
var multiplica = numero * 2; 

while (numero != "0") { 
    alert (numero*2);
}

javascript

asked by Nico Piovano 24.07.2018 в 01:11

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1 answer

Problem with ngIf and subscribe in Angular Linux Server becomes meaningless

score 1 · Answer 1

You have to put the prompt inside the while:

var numero;

while (numero != "0"){ 
    numero = prompt("Escribe un número") 
    if (numero == 0) {
      alert("Gracias");
    } else {
      var multiplica = numero * 2; 
      alert (numero*2);
    }
}