JS-Array-Pop-&-Push.html

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    <h1>JS Array Pop & Push</h1>
    <h1>Array Pop()</h1>
    <p>The pop() method removes (pops) the last element of an array.</p>
    <p>The pop() method changes the original array.</p>
    <p>The pop() method returns the removed element.</p>
    <h3>Syntax</h3>
    <pre
      class="language-javascript"
      tabindex="0"
    ><code class="language-javascript">array<span class="token punctuation">.</span><span class="token function">pop</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token operator">??</span><span class="token operator">??</span><span class="token operator">??</span><span class="token operator">?</span>
</code></pre>
    <h1>Parameters</h1>
    <p>None</p>
    <h1>Return Value</h1>
    <table class="table table-bordered table-striped">
      <tbody>
        <tr>
          <td>
            <p>Type</p>
          </td>
          <td>
            <p>Description</p>
          </td>
        </tr>
        <tr>
          <td>
            <p>A variable</p>
          </td>
          <td>
            <p>
              The removed item.<br />
              A string, a number, an array, or any other type allowed in an
              array.
            </p>
          </td>
        </tr>
      </tbody>
    </table>
    <pre
      class="language-markup"
      tabindex="0"
    ><code class="language-markup"><span class="token doctype"><span class="token punctuation">&lt;!</span><span class="token doctype-tag">DOCTYPE</span> <span class="token name">html</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>html</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>head</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>title</span><span class="token punctuation">&gt;</span></span>JavaScript<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>title</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>script</span><span class="token punctuation">&gt;</span></span><span class="token script"><span class="token language-javascript">
    <span class="token keyword">var</span> a <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token string">"Sanjay"</span><span class="token punctuation">,</span> <span class="token string">"Aman"</span><span class="token punctuation">,</span> <span class="token string">"Rehman"</span><span class="token punctuation">,</span> <span class="token string">"Karan"</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>a <span class="token operator">+</span> <span class="token string">"&lt;br&gt;&lt;br&gt;"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    a<span class="token punctuation">.</span><span class="token function">pop</span><span class="token punctuation">(</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>a<span class="token punctuation">)</span><span class="token punctuation">;</span>
  </span></span><span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>script</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>head</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>body</span><span class="token punctuation">&gt;</span></span>

<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>body</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>html</span><span class="token punctuation">&gt;</span></span>
</code></pre>
    <h1>Array push()</h1>
    <p>The push() method adds new items to the end of an array.</p>
    <p>The push() method changes the length of the array.</p>
    <p>The push() method returns the new length.</p>
    <h3>Syntax</h3>
    <pre
      class="language-javascript"
      tabindex="0"
    ><code class="language-javascript">array<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span>item1<span class="token punctuation">,</span> item2<span class="token punctuation">,</span> <span class="token operator">...</span><span class="token punctuation">,</span> itemX<span class="token punctuation">)</span>
</code></pre>
    <h1>Parameters</h1>
    <table class="table table-bordered table-striped">
      <tbody>
        <tr>
          <td>
            <p>Parameters</p>
          </td>
          <td>
            <p>Description</p>
          </td>
        </tr>
        <tr>
          <td>
            <p>
              <em>item1</em><br />
              <em>item2</em><br />
              ..<br />
              <em>itemX</em>
            </p>
          </td>
          <td>
            <p>
              The item(s) to add to the array.<br />
              Minimum one item is required.
            </p>
          </td>
        </tr>
      </tbody>
    </table>
    <h1>Return Value</h1>
    <table class="table table-bordered table-striped">
      <tbody>
        <tr>
          <td>
            <p>Type</p>
          </td>
          <td>
            <p>Description</p>
          </td>
        </tr>
        <tr>
          <td>
            <p>A number</p>
          </td>
          <td>
            <p>The new length of the array.</p>
          </td>
        </tr>
      </tbody>
    </table>
    <pre
      class="language-markup"
      tabindex="0"
    ><code class="language-markup"><span class="token doctype"><span class="token punctuation">&lt;!</span><span class="token doctype-tag">DOCTYPE</span> <span class="token name">html</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>html</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>head</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>title</span><span class="token punctuation">&gt;</span></span>JavaScript<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>title</span><span class="token punctuation">&gt;</span></span>
  <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>script</span><span class="token punctuation">&gt;</span></span><span class="token script"><span class="token language-javascript">
    <span class="token keyword">var</span> a <span class="token operator">=</span> <span class="token punctuation">[</span><span class="token string">"Sanjay"</span><span class="token punctuation">,</span> <span class="token string">"Aman"</span><span class="token punctuation">,</span> <span class="token string">"Rehman"</span><span class="token punctuation">]</span><span class="token punctuation">;</span>

    a<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span><span class="token string">"Rahul"</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>a <span class="token operator">+</span> <span class="token string">"&lt;br&gt;&lt;br&gt;"</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
    a<span class="token punctuation">.</span><span class="token function">push</span><span class="token punctuation">(</span><span class="token string">"Salman"</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>a <span class="token operator">+</span> <span class="token string">"&lt;br&gt;&lt;br&gt;"</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">&lt;/</span>script</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>head</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>body</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>body</span><span class="token punctuation">&gt;</span></span>
<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>html</span><span class="token punctuation">&gt;</span></span>
</code></pre>
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    ary.pop();
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