javascript-notes/JS-isEqualNode.html at master · hamzalodhi2023/javascript-notes · GitHub

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<!DOCTYPE html>
<html lang="en">
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    <title>JS isEqualNode</title>
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  <body>
    <hr />
    <h3>JS isEqualNode</h3>

    <p>
      The&nbsp;<code>isEqualNode()</code>&nbsp;returns&nbsp;<code>true</code>&nbsp;if
      two elements (or nodes) are equal.
    </p>

    <h3>Syntax</h3>

    <pre
      class="language-javascript"
      tabindex="0"
    ><code class="language-javascript">element<span class="token punctuation">.</span><span class="token function">isEqualNode</span><span class="token punctuation">(</span>node<span class="token punctuation">)</span>
        or
node<span class="token punctuation">.</span><span class="token function">isEqualNode</span><span class="token punctuation">(</span>node<span class="token punctuation">)</span>
</code></pre>

    <h3>Parameters</h3>

    <table class="table table-bordered table-striped">
      <tbody>
        <tr></tr>
        <tr>
          <td>Parameter</td>
          <td>Description</td>
        </tr>
        <tr>
          <td><em>node</em></td>
          <td>
            Required.<br />
            The node to compare.
          </td>
        </tr>
      </tbody>
    </table>

    <h2>Return Value</h2>

    <table class="table table-bordered table-striped">
      <tbody>
        <tr></tr>
        <tr>
          <td>Type</td>
          <td>Description</td>
        </tr>
        <tr>
          <td>Boolean</td>
          <td>
            <code>true</code>&nbsp;if the nodes are equal,
            otherwise&nbsp;<code>false</code>.
          </td>
        </tr>
      </tbody>
    </table>

    <h3>
      <br />
      html file
    </h3>

    <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>DOM Navigation<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>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>ul</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>list-1<span class="token punctuation">"</span></span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>li</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>abc<span class="token punctuation">"</span></span><span class="token punctuation">&gt;</span></span>orange<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>li</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>li</span><span class="token punctuation">&gt;</span></span>Banana<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>li</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>li</span><span class="token punctuation">&gt;</span></span>Apple<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>li</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>li</span><span class="token punctuation">&gt;</span></span>Grapes<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>li</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>ul</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>ul</span> <span class="token attr-name">id</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>list-2<span class="token punctuation">"</span></span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>li</span><span class="token punctuation">&gt;</span></span>Guava<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>li</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>li</span> <span class="token attr-name">class</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>abc<span class="token punctuation">"</span></span><span class="token punctuation">&gt;</span></span>orange<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>li</span><span class="token punctuation">&gt;</span></span>
        <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;</span>li</span><span class="token punctuation">&gt;</span></span>PineApple<span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>li</span><span class="token punctuation">&gt;</span></span>
    <span class="token tag"><span class="token tag"><span class="token punctuation">&lt;/</span>ul</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 attr-name">src</span><span class="token attr-value"><span class="token punctuation attr-equals">=</span><span class="token punctuation">"</span>js/dom-create.js<span class="token punctuation">"</span></span><span class="token punctuation">&gt;</span></span><span class="token script"></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>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>

    <hr />
    dom-create.js
    <pre
      class="language-javascript"
      tabindex="0"
    ><code class="language-javascript"><span class="token keyword">var</span> target1 <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">"list-1"</span><span class="token punctuation">)</span><span class="token punctuation">.</span>firstElementChild<span class="token punctuation">;</span>

<span class="token keyword">var</span> target2 <span class="token operator">=</span> document<span class="token punctuation">.</span><span class="token function">getElementById</span><span class="token punctuation">(</span><span class="token string">"list-2"</span><span class="token punctuation">)</span><span class="token punctuation">.</span>children<span class="token punctuation">[</span><span class="token number">1</span><span class="token punctuation">]</span><span class="token punctuation">;</span>

<span class="token keyword">var</span> equal <span class="token operator">=</span> target1<span class="token punctuation">.</span><span class="token function">isEqualNode</span><span class="token punctuation">(</span>target2<span class="token punctuation">)</span><span class="token punctuation">;</span>

console<span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>equal<span class="token punctuation">)</span><span class="token punctuation">;</span></code></pre>

    <hr />
  </body>
</html>