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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>JS Date Methods</title>
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<body>
<h1>JS Date Methods</h1>
<hr />
<h3>The new Date() Constructor</h3>
<p>
In JavaScript, date objects are created with <code>new Date()</code>.
</p>
<p>
<code>new Date()</code> returns a date object with the current date
and time.
</p>
<h3>Get the Current Time</h3>
<pre
class="language-javascript"
tabindex="0"
><code class="language-javascript"><span class="token keyword">const</span> date <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</code></pre>
<h3>Date Get Methods</h3>
<table class="table table-bordered table-striped">
<tbody>
<tr>
<th>Method</th>
<th>Description</th>
</tr>
<tr>
<td>getFullYear()</td>
<td>
Get <strong>year</strong> as a four digit number (yyyy)
</td>
</tr>
<tr>
<td>getMonth()</td>
<td>Get <strong>month</strong> as a number (0-11)</td>
</tr>
<tr>
<td>getDate()</td>
<td>Get <strong>day</strong> as a number (1-31)</td>
</tr>
<tr>
<td>getDay()</td>
<td>Get <strong>weekday</strong> as a number (0-6)</td>
</tr>
<tr>
<td>getHours()</td>
<td>Get <strong>hour</strong> (0-23)</td>
</tr>
<tr>
<td>getMinutes()</td>
<td>Get <strong>minute</strong> (0-59)</td>
</tr>
<tr>
<td>getSeconds()</td>
<td>Get <strong>second</strong> (0-59)</td>
</tr>
<tr>
<td>getMilliseconds()</td>
<td>Get <strong>millisecond</strong> (0-999)</td>
</tr>
<tr>
<td>getTime()</td>
<td>
Get <strong>time</strong> (milliseconds since January 1,
1970)
</td>
</tr>
</tbody>
</table>
<pre
class="language-markup"
tabindex="0"
><code class="language-markup"><span class="token doctype"><span class="token punctuation"><!</span><span class="token doctype-tag">DOCTYPE</span> <span class="token name">html</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>html</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>head</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>title</span><span class="token punctuation">></span></span>JavaScript<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>title</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>script</span><span class="token punctuation">></span></span><span class="token script"><span class="token language-javascript">
<span class="token keyword">var</span> now <span class="token operator">=</span> <span class="token keyword">new</span> <span class="token class-name">Date</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/* ToDateString Method Example */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>now<span class="token punctuation">.</span><span class="token function">toDateString</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">"<br><br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/* GetDate Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>now<span class="token punctuation">.</span><span class="token function">getDate</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">"<br><br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/* GetFullYear Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>now<span class="token punctuation">.</span><span class="token function">getFullYear</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">"<br><br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/* GetMonth Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>now<span class="token punctuation">.</span><span class="token function">getMonth</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">"<br><br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/* GetDay Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>now<span class="token punctuation">.</span><span class="token function">getDay</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">"<br><br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/* GetHours Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>now<span class="token punctuation">.</span><span class="token function">getHours</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">"<br><br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/* GetMinutes Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>now<span class="token punctuation">.</span><span class="token function">getMinutes</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">"<br><br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/* GetSeconds Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>now<span class="token punctuation">.</span><span class="token function">getSeconds</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">"<br><br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/* GetMilliseconds Method */</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>now<span class="token punctuation">.</span><span class="token function">getMilliseconds</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">"<br><br>"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/*setDate Method */</span>
now<span class="token punctuation">.</span><span class="token function">setDate</span><span class="token punctuation">(</span><span class="token number">20</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/*setFullYear Method */</span>
now<span class="token punctuation">.</span><span class="token function">setFullYear</span><span class="token punctuation">(</span><span class="token number">2020</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/*setFullYear Method */</span>
now<span class="token punctuation">.</span><span class="token function">setMonth</span><span class="token punctuation">(</span><span class="token number">4</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
<span class="token comment">/*setHours Method */</span>
now<span class="token punctuation">.</span><span class="token function">setHours</span><span class="token punctuation">(</span><span class="token number">14</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
document<span class="token punctuation">.</span><span class="token function">write</span><span class="token punctuation">(</span>now<span class="token punctuation">.</span><span class="token function">getDate</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">"/"</span> <span class="token operator">+</span> now<span class="token punctuation">.</span><span class="token function">getMonth</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token operator">+</span> <span class="token string">"/"</span> <span class="token operator">+</span> now<span class="token punctuation">.</span><span class="token function">getFullYear</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
</span></span><span class="token tag"><span class="token tag"><span class="token punctuation"></</span>script</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>head</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"><</span>body</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>body</span><span class="token punctuation">></span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation"></</span>html</span><span class="token punctuation">></span></span></code></pre>
<hr />
</body>
<script>
let now = new Date();
document.write(now.toDateString() + "<br>");
document.write(now.getDate() + "<br>");
document.write(now.getFullYear() + "<br>");
document.write(now.getMonth() + "<br>");
document.write(now.getDay() + "<br>");
document.write(now.getHours() + "<br>");
document.write(now.getMinutes() + "<br>");
document.write(now.getSeconds() + "<br>");
document.write(now.getMilliseconds() + "<br>");
now.setDate(25);
document.write(now + "<br>");
now.setFullYear(2030);
document.write(now + "<br>");
now.setMonth(4);
document.write(now + "<br>");
document.write(
now.getDate() + "/" + now.getMonth() + "/" + now.getFullYear()
);
</script>
</html>