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The URL Object

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Find out what is a URL object and how to use it

URL is a namespace used to host 2 static methods used to manipulate URLs using Blobs:

Given a blob, you generate a URL to it using the URL.createObjectURL() function:

const myURL = URL.createObjectURL(aBlob)

Once you have the blob URL, you can destroy it from memory using:


In addition to this, URL offers a very different functionality through its constructor, which can be used to create a URL. You can call it like this:

const currentUrl = new URL(window.location.href)

Now currentUrl has a set of properties you can use to inspect the URL:

which are the usual parts of a URL.

You can alter any of those, except origin and searchParams which are read only, and generate a new URL string by calling the toString() method, or by referencing the href property.

→ Read my DOM Tutorial on The Valley of Code
→ Read my Browser Events Tutorial on The Valley of Code
→ Read my Browser APIs Tutorials on The Valley of Code

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