This is a list of advanced JavaScript learning resources from people who responded to this [Tweet][13] and this [Tweet][20].
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[You Don't Know JS][3]
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[Frontend Masters courses by Kyle Simpson][12]
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[@mpjme][6]'s [YouTube videos][5]
Aaron Liu shurui91
amysimmons
/ advanced-js-resources.md
Last active
December 4, 2025 03:23
Picking the right architecture = Picking the right battles + Managing trade-offs
- Clarify and agree on the scope of the system
- User cases (description of sequences of events that, taken together, lead to a system doing something useful)
- Who is going to use it?
- How are they going to use it?
optikalefx
/ Super Simple Ajax File Upload (XHR2).js
Last active
February 17, 2026 23:46
Ajax File upload with jQuery and XHR2Sean Clark http://square-bracket.com
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| // Ajax File upload with jQuery and XHR2 | |
| // Sean Clark http://square-bracket.com | |
| // xhr2 file upload | |
| $.fn.upload = function(remote, data, successFn, progressFn) { | |
| // if we dont have post data, move it along | |
| if (typeof data != "object") { | |
| progressFn = successFn; | |
| successFn = data; | |
| } |
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| <form action="" enctype="multipart/form-data" method="post"> | |
| <input id="file" name="file" type="file" /> | |
| <input id="Submit" name="submit" type="submit" value="Submit" /> | |
| </form> |