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How to use a fallback image for a slider

· One min read
Andrew Golightly

I created a slideshow that grabbed images from an external server. But doing work on my localhost, if the Internet went down, the slideshow broke. So I wanted to figure out how to use a local fallback image so I could keep developing even if the Internet failed.

Turns out it’s quite simple. (my solution inspired by this answer on stackoverflow)

The <img> tag has an onerror attribute that you can use to set a fallback image in.

Here is a cutdown version of my code…

<section class="slider">
<img src="andrew-and-artist.jpg" onerror='this.src="./andrew-and-artist.jpg"' />
<nav class="slider-nav">
<li class="arrow">
<a href="#"><i class="fa fa-long-arrow-left"></i></a>
<li class="arrow">
<a href="#"><i class="fa fa-long-arrow-right"></i></a>

<script type="text/javascript">

$('.arrow').on('click', function(e) {

e.preventDefault(); // stop the page reloading

$('.slider img').prop('src', '' + Math.random());


View this gist on GitHub

Hope that helps someone!