How to Get a Background Image URL from a Div Element Using JavaScript?-CSS Tutorial-php.cn

How to Get a Background Image URL from a Div Element Using JavaScript?

Patricia Arquette

Release： 2024-12-15 09:23:11

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How to Get a Background Image URL from a Div Element Using JavaScript?

How to Extract Background Image URL of an Element Using JavaScript

In JavaScript, it's possible to retrieve the URL of a background image set on an element dynamically. Here's how:

Q: How can I obtain the background-image URL of a

element in JavaScript? I have an element like this:

How do I retrieve the URL of the background image?

A: To retrieve the background image URL, you can use the following code:

var img = document.getElementById('your_div_id');
var style = img.currentStyle || window.getComputedStyle(img, false);
var bi = style.backgroundImage.slice(4, -1).replace(/"/g, "");

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Let's break it down:

Get the element's id and its current style or computed style.
Access the backgroundImage property.
Slice the string to remove the "url(" and ")" characters.
Use replace to get rid of any double quotes in the URL.

Now, bi will contain just the URL of the background image.

For example:

// Get the URL from an element with id "testdiv"
var img = document.getElementById('testdiv');
var style = img.currentStyle || window.getComputedStyle(img, false);
var bi = style.backgroundImage.slice(4, -1).replace(/"/g, "");

// Display the URL
console.log('Image URL: ' + bi);

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This will output the URL of the background image to the console.

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