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JuanjoSalvador/cronometer.html

Created October 26, 2015 09:42
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Cronometro en JavaScript
Raw
cronometer.html
<html>
<head>
<title>Cronómetro</title>
<meta charset="utf-8">
<script>
var cronos;
var tiempo;
function init() {
cronos = setInterval(function() { timer() }, 1000);
}
function timer() {
tiempo = parseInt(document.getElementById('time').value);
document.getElementById('time').value = eval(tiempo + 1);
}
function reset() {
tiempo = parseInt(document.getElementById('time').value);
document.getElementById('time').value = "0";
}
function stop() {
clearInterval(cronos);
}
</script>
</head>
<body>
<input type="button" value="Empezar" onclick="init()" />
<input type="button" value="Reiniciar" onclick="reset()" />
<input type="button" value="Parar" onclick="stop()" />
<input id="time" name="time" value="0" />
</body>
</html>
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