The Naked Truth About Files

on YouTube ↗57m

" summary

Covers browser file APIs and client-side file uploads, focusing on inconsistent implementations and performance issues when uploading large numbers of files (e.g., directories with 10,000+ files). Presents detailed techniques and approaches to avoid blocking the browser, handles critical enterprise edge cases, and provides reusable code examples for reliable file upload handling.

AI-written summary · about

" chapters (8)

1. 0:00Introduction
2. 1:42What files are
3. 13:01Files in browser
4. 21:14File validation
5. 29:57Uploading files
6. 37:21Mobile downloads
7. 47:00File System API
8. 51:37Q&A

" related talks

• 34mFile API: Client-Side File Handling and Uploading to the ServerKonstantin Lebedev · FrontTalks 2013
• 13mAn introduction to the File APICameron McCormack · Web Directions Code 2013
• 01h 01mThe 2021 edition of dealing with files on the WebThomas Steiner · HolyJS 2021 Moscow
• 50m9 Steps for Safe Handling of User Files on a WebsiteOleg Ekhlakov · HighLoad++ 2024
• 44mWeb APIs You Should Be Using in 2026: Unlocking Next-Level Web ExperiencesNhlanhla Lucky Nkosi · NDC Copenhagen 2026
• 45mBytes and blobsDavid Flanagan · JSConf US 2011
• 43mperformance.now().reject(reasons) | Ilya GrigorikIlya Grigorik · performance.now() 2019
• 50mMost useful browser APIsPavol Hejný · DevConf.CZ 2020