Remove Broken Images Using Dojo
In an effort to get better with the Dojo Toolkit, I've decided to port yet another one of my previous posts: Remove Broken Images Using MooTools or jQuery. Broken images are an eyesore to any website so there's no point to keeping them in the page. Here's how you can remove them on the client side.
The Dojo JavaScript
dojo.ready(function() {
dojo.query('img').forEach(function(img){
dojo.connect(img,'onerror',function() {
dojo.destroy(img);
});
});
});
Just as simple as jQuery and MooTools -- just a different syntax!
![9 Mind-Blowing Canvas Demos]()
The <canvas> element has been a revelation for the visual experts among our ranks. Canvas provides the means for incredible and efficient animations with the added bonus of no Flash; these developers can flash their awesome JavaScript skills instead. Here are nine unbelievable canvas demos that...
![Detect DOM Node Insertions with JavaScript and CSS Animations]()
I work with an awesome cast of developers at Mozilla, and one of them in Daniel Buchner. Daniel's shared with me an awesome strategy for detecting when nodes have been injected into a parent node without using the deprecated DOM Events API.
![MooTools Wall Plugin]()
One of the more impressive MooTools plugins to hit the Forge recently was The Wall by Marco Dell'Anna. The Wall creates an endless grid of elements which can be grabbed and dragged, fading in elements as they are encountered. Let me show...
![MooTools-Like Element Creation in jQuery]()
I really dislike jQuery's element creation syntax. It's basically the same as typing out HTML but within a JavaScript string...ugly! Luckily Basil Goldman has created a jQuery plugin that allows you to create elements using MooTools-like syntax.
Standard jQuery Element Creation
Looks exactly like writing out...
Some streamlining of your methods:
dojo.query('img').connect('onerror', function() { dojo.destroy(this); });Nice site by the way :) Keep up the Dojo posts :)
@Karl Tiedt: Applied to a collection — very nice! I’ll keep that in mind from this point forward.
Would you happen to have code to do this with prototype?
I wish images would fire an event if they didn’t load then we could put something in it’s place instead of going through every image checking. Kind of slow…
@Ben: They do — they fire an
onErrorevent.