Have you ever noticed that when you click on an HTML element, such as images, you can drag a "shadow version" of them around on the screen?
For example, take the Stack Overflow logo. If you click and drag it, you'll see a dark version of the logo moving around the screen.
Now, I'm curious if there is a way to disable the ability to drag HTML elements, especially images?
The browser function discussed here provides a shortcut for saving images to your computer more conveniently. There are three different approaches you can take to address or work around this situation:
One effective solution is to replace the image with a div element that matches the dimensions of the image and set its background-image property accordingly. Since backgrounds cannot be dragged, this method achieves the desired outcome. For added effectiveness, style the div with display: inline-block; to closely resemble image behavior.
Alternatively, you could create a transparent div of the same size as the image, position it over the image using absolute positioning and z-index. Although this approach may be less tidy to maintain, it might be simpler to implement within your layout structure.
The last resort involves adding specified JavaScript code to your webpage:
document.getElementById('my-image').ondragstart = function() { return false; };Replace 'my-image' with the actual ID of your image element to complete this step. However, relying on JavaScript for this purpose is not recommended since certain browsers may not have it enabled.
It's worth noting that trying to prevent others from saving your images is quite futile. Regardless of any clientside protection measures in place, extracting images is relatively straightforward.
In a perfect world, we should be able to achieve this using the CSS user-select property. Unfortunately, browser support for this feature is inconsistent and limited. In my own experiments, it seems to prevent the ability to select text visually, but does not stop images from being dragged. As a temporary solution, you may need to employ a workaround such as utilizing background-images, like demonstrated above.
For those curious, you can implement the following code to disable selection for all text elements within the body, or apply it selectively to specific elements to prevent selection/dragging:
body {
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
-moz-user-select: none;
-ms-user-select: none;
user-select: none;
}
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