Ok, did a quick test in FF and Safari :-)
- The function doesn't wait, it makes all the requests at once (more or less).
- The variable gets overwritten.
- It doesn't interrupt the download.
One thing I did find was that if I do:
var img = new Image();
img.onload = function(){
var that = this;
}
img.src = arguments[i];
Then the variable 'that' will point to window, not img.
However, if I do:
var img = document.createElement('img');
img.onload = function(){
var that = this;
}
img.src = arguments[i];
Then the variable 'that' will point to img, and the event handler will work as
expected.
Luke
PragueExpat wrote:
> Luke, this is a great technique - thanks!
>
> As far as my original question, I am still curious to find out the
> following:
>
> With the following preload function:
>
> $.preloadImages = function()
> {
> for(var i = 0; i<arguments.length; i++)
> {
> img = new Image();
> img.src = arguments[i];
> }
> }
>
> does the browser completely download each image before the script changes
> the source and begins the next download or is/can the image download be
> interrupted by the variable being reassigned?
>
> Anyone?
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