getTime()方法是Javascript中的Date对象的方法。此方法返回自1970年1月1日以来的毫秒数。创建新的Date对象时,它将存储创建时的日期和时间数据。在此日期对象上调用getTime()方法时,它将返回自1970年1月1日(Unix纪元)以来的毫秒数。
用法:
Date.getTime()
返回类型:一个等于Unix Epoch的秒数的数值。
示例1:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width,
initial-scale=1.0">
<meta http-equiv="X-UA-Compatible"
content="ie=edge">
<title>Document</title>
</head>
<body>
<div>
<h4>Today's Date:
<span class="date">
</span>
</h4>
</div>
<div>
<h4>getTime():
<span class="time">
</span>
</h4>
</div>
</body>
<script>
var Today = new Date();
var date =
document.querySelector(".date");
var time =
document.querySelector(".time");
time.innerHTML = Today.getTime();
date.innerHTML = Today;
</script>
</html>
输出:
示例2:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport"
content="width=device-width,
initial-scale=1.0">
<meta http-equiv="X-UA-Compatible"
content="ie=edge">
<title>Document</title>
</head>
<body>
<div>
<h4>Birth Date:
<span class="date">
</span>
</h4>
</div>
<div>
<h4>getTime():
<span class="time">
</span>
</h4>
</div>
<div>
<h4>I am
<span class="years">
</span> years old.
</span>
</h4>
</div>
</body>
<script>
var BD = new Date("July 29, 1997 23:15:20");
var date = document.querySelector(".date");
var time = document.querySelector(".time");
var Today = new Date();
var today = Today.getTime();
var bd = BD.getTime();
var year = 1000 * 60 * 60 * 24 * 365;
var years = (today - bd) / year;
date.innerHTML = BD;
time.innerHTML = BD.getTime();
var y = document.querySelector(".years");
y.innerHTML = Math.round(years);
</script>
</html>
输出:
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注:本文由纯净天空筛选整理自Pankaj_Singh大神的英文原创作品 JavaScript | getTime() Method。非经特殊声明,原始代码版权归原作者所有,本译文未经允许或授权,请勿转载或复制。