<p> <a target="_blank" href="https://twitter.com/urstrulyvishwak/status/1469164704723390467?s=20">Twitter</a>  <a target="_blank" href="https://www.youtube.com/watch?v=QU2Zlt_R22k">Youtube</a> </p>
<div class="embed-wrapper"><div class="embed-loading"><div class="loadingRow"></div><div class="loadingRow"></div></div><a class="embed-card" href="https://www.youtube.com/watch?v=QU2Zlt_R22k">https://www.youtube.com/watch?v=QU2Zlt_R22k</a></div>
<p>Merging two arrays in javascript:</p>
<ol>
<li>Using spread operator</li>
<li>using concat</li>
</ol>
<p>When to use what: Spread can work only when our inputs are of type arrays. concat works better in all scenarios.</p>
<p><img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1641496708832/JiAra05Qy.png" alt="3.png" /></p>
<p><img src="https://cdn.hashnode.com/res/hashnode/image/upload/v1641496714615/BCYY353LJ.png" alt="4.png" /></p>
<div class="embed-wrapper"><div class="embed-loading"><div class="loadingRow"></div><div class="loadingRow"></div></div><a class="embed-card" href="https://twitter.com/urstrulyvishwak/status/1469164704723390467?s=20">https://twitter.com/urstrulyvishwak/status/1469164704723390467?s=20</a></div>


 [Twitter](https://twitter.com/urstrulyvishwak/status/1469164704723390467?s=20)  [Youtube](https://www.youtube.com/watch?v=QU2Zlt_R22k) 


%[https://www.youtube.com/watch?v=QU2Zlt_R22k]

 
Merging two arrays in javascript:
1. Using spread operator
2. using concat

When to use what: Spread can work only when our inputs are of type arrays. concat works better in all scenarios.


![3.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1641496708832/JiAra05Qy.png)


![4.png](https://cdn.hashnode.com/res/hashnode/image/upload/v1641496714615/BCYY353LJ.png)


%[https://twitter.com/urstrulyvishwak/status/1469164704723390467?s=20]


JS Merging arrays