Created
April 9, 2018 21:44
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var button = document.getElementById("update"); | |
var interval; | |
var min = 2; | |
var sec = 60; | |
button.addEventListener("click", function(){ | |
var name = document.getElementById('name'); | |
var title = document.getElementsByTagName('h1')[0]; | |
title.innerHTML = name.value; | |
name.value = ''; | |
//cronometro | |
//creamos los elementos | |
var minutos = document.createElement("h3"); | |
var segundos = document.createElement("h4"); | |
//seleccionamos el jumbotron | |
var jumbotron = document.getElementsByClassName("jumbotron")[0]; | |
//agregamos el dato a los elementos | |
minutos.innerHTML = min; | |
segundos.innerHTML = sec; | |
//los volvemos parte del dom | |
jumbotron.appendChild(minutos); | |
jumbotron.appendChild(segundos); | |
interval = setInterval(function(){ | |
if(min >= 0 && sec > 0){ | |
sec--; | |
segundos.innerHTML = sec; | |
} | |
else if(min >= 1 && sec === 0){ | |
sec = 60; | |
min--; | |
minutos.innerHTML = min; | |
segundos.innerHTML = sec; | |
} | |
else if(min <= 0 && sec < 1){ | |
clearInterval(interval); | |
alert("se acabó"); | |
} | |
}, 1000); | |
}); |
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