EN
JavaScript - check if variable is NodeList type
3 points
In this article, we would like to show you how in JavaScript check if variable is a NodeList type.
Quick solution:
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var container = document.querySelector('#container');2
var nodes = container.childNodes;3
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console.log(nodes instanceof NodeList); // true
In this example, we use instanceof operator to check if nodeList variable is NodeList type.
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<html>3
<body>4
<div id="container">Text node<span></span><div></div></div>5
<script>6
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var container = document.querySelector('#container');8
var nodes = container.childNodes;9
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console.log(nodes instanceof NodeList); // true11
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</script>13
</body>14
</html>
