[html] How to hide image broken Icon using only CSS/HTML?

Despite what people are saying here, you don't need JavaScript at all, you don't even need CSS!!

It's actually very doable and simple with HTML only. You can even show a default image if an image doesn't load. Here's how...

This also works on all browsers, even as far back as IE8 (out of 250,000+ visitors to sites I hosted in September 2015, ZERO people used something worse than IE8, meaning this solution works for literally everything).

Step 1: Reference the image as an object instead of an img. When objects fail they don't show broken icons; they just do nothing. Starting with IE8, you can use Object and Img tags interchangeably. You can resize and do all the glorious stuff you can with regular images too. Don't be afraid of the object tag; it's just a tag, nothing big and bulky gets loaded and it doesn't slow down anything. You'll just be using the img tag by another name. A speed test shows they are used identically.

Step 2: (Optional, but awesome) Stick a default image inside that object. If the image you want actually loads in the object, the default image won't show. So for example you could show a list of user avatars, and if someone doesn't have an image on the server yet, it could show the placeholder image... no javascript or CSS required at all, but you get the features of what takes most people JavaScript.

Here is the code...

<object data="avatar.jpg" type="image/jpg">
    <img src="default.jpg" />
</object>

... Yes, it's that simple.

If you want to implement default images with CSS, you can make it even simpler in your HTML like this...

<object class="avatar" data="user21.jpg" type="image/jpg"></object>

...and just add the CSS from this answer -> https://stackoverflow.com/a/32928240/3196360

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