6 lines
240 B
Markdown
6 lines
240 B
Markdown
|
|
The algorithm:
|
|
1. Make `img` for every source.
|
|
2. Add `onload/onerror` for every image.
|
|
3. Increase the counter when either `onload` or `onerror` triggers.
|
|
4. When the counter value equals to the sources count -- we're done: `callback()`.
|