Verify an image URL in JavaScript

In this short article, we will show you how to verify an image URL in JavaScript.

Here, we will use the Regular Expression">Regular Expression to validate the image url using JavaScript.

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Use the following function to check the extension using a regular expression.

Function

function checkURL(url) {
  if (typeof url !== 'string') return false;
  return (url.match(/\.(jpg|jpeg|gif|png)$/) != null);
}

Here we have validated the extension such as `jpg`, `jpeg`, `gif`, and `png`. This function will return the boolean value.

Output

checkURL('cluemediator.com'); // Output: false
checkURL('https://xyz.com/abc.png'); // Output: true
checkURL('http://abc.com/xyz.gif'); // Output: true

In the upcoming article, we will show you how to check if an image exists from a URL.

That’s it for today.
Thank you for reading. Happy Coding..!! 🙂