[whatwg] document.readyState and its initial value
ian at hixie.ch
Mon Aug 4 23:29:06 PDT 2008
On Mon, 23 Jun 2008, Frode Børli wrote:
> 1. Which readystate does an img object have, before it is added to the
> DOM? Example:
> var i = document.createElement("IMG");
> alert(i.readystate); // afaict the state SHOULD be uninitialized here...
> i.src = "some_url.jpg";
It seems only IE supports this property, so hopefully we don't need to
spec it (or support it in other UAs).
> The example applies to iframes as well, i believe.
I couldn't reproduce this.
> 2. How can we listen to the onreadystatechange, if we want to trigger an
> event when the object starts loading? It will not change readystate
> since it was already in the state loading.
In HTML5 there's no way to get an event when an <img> begins loading. It
begins loading when the src="" is set.
Ian Hickson U+1047E )\._.,--....,'``. fL
http://ln.hixie.ch/ U+263A /, _.. \ _\ ;`._ ,.
Things that are impossible just take longer. `._.-(,_..'--(,_..'`-.;.'
More information about the whatwg