How to check if an element has attributes using JavaScript

To check if an HTML element has any attributes, you can use the hasAttributes() method. This method returns true if the specified node has any attributes, otherwise false.

If the specified node is not an Element node, for example, whitespace and comments, the return value is always false.

Let us say you have the following HTML code snippet:

    <div class="wrapper">
        <button id="btn">Click Me</button>

The following example demonstrates how you can use the hasAttributes() method to check if HTML elements has attributes:

const body = document.body;
const btn = document.querySelector('button');

console.log(body.hasAttributes()); // false
console.log(btn.hasAttributes()); // true

To check the existence of a specific attribute, JavaScript provides the hasAttribute() method:

console.log(btn.hasAttribute('id')); // true

The hasAttributes() method works in all modern browsers, and IE9 and above.

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