What is difference between document ready and window onload?

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Tags

1. #javascript
2. #document
3. #method
4. #loaded
5. #onload
6. #which
7. #window
8. #later
9. #fully
10. #ready
11. #including
12. #while
13. #everything
14. #jquery
15. #images
16. #occurs
17. #event