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Rare Earth Juejin Tech Community
Rare Earth Juejin Tech Community
Jun 25, 2024 · Frontend Development

Frontend and Backend Interaction Methods for File Upload, Object APIs, and Large File Handling

This article explains how the frontend can upload files to the backend using base64 or binary Blob transmission, introduces key JavaScript objects such as files, Blob, FormData, and FileReader, and provides practical code examples for validation, preview, chunked uploading, progress tracking, and resumable uploads with hash verification.

Base64FormDataHash
0 likes · 10 min read
Frontend and Backend Interaction Methods for File Upload, Object APIs, and Large File Handling
Laravel Tech Community
Laravel Tech Community
Feb 8, 2023 · Frontend Development

Large File Upload Techniques and Implementation with Chunked Upload, Base64 Encoding, and FormData

This article explains the challenges of uploading very large files in web applications and presents several front‑end solutions—including traditional form uploads, Base64 encoding, binary FormData uploads, iframe tricks, and chunked (slice) uploads—accompanied by complete PHP server‑side examples and reusable code snippets.

Base64FormDataPHP
0 likes · 10 min read
Large File Upload Techniques and Implementation with Chunked Upload, Base64 Encoding, and FormData
ByteFE
ByteFE
Jan 28, 2022 · Frontend Development

Curated Technical Articles: WebAssembly, Deno, Garbage Collection, Frontend Debugging, CSS Colors, FormData, and Advanced JavaScript

This newsletter curates a collection of technical articles covering WebAssembly's future, Deno's 2021 progress, JavaScript garbage collection fundamentals, front‑end debugging best practices, modern CSS color systems, FormData usage, and advanced JavaScript features like iterators and generators.

CSSFormDataGarbage Collection
0 likes · 5 min read
Curated Technical Articles: WebAssembly, Deno, Garbage Collection, Frontend Debugging, CSS Colors, FormData, and Advanced JavaScript
政采云技术
政采云技术
Jan 25, 2022 · Frontend Development

Understanding and Using FormData for File Uploads in Frontend Development

This article explains why the default JSON request format fails for file uploads, introduces the FormData API, demonstrates how to construct and manipulate FormData objects—including append versus set methods—and provides practical code examples for sending multipart/form-data requests in modern frontend development.

FormDataHTTPfile upload
0 likes · 9 min read
Understanding and Using FormData for File Uploads in Frontend Development
php Courses
php Courses
Mar 23, 2021 · Backend Development

Implementing Ajax Image Upload with Deletion in ThinkPHP5

This guide demonstrates how to replace a standard file upload in a ThinkPHP5 post feature with an Ajax-based solution that allows real‑time image preview, server‑side handling via PHP, and selective deletion of uploaded images, improving compatibility and user experience.

FormDataJavaScriptThinkPHP5
0 likes · 5 min read
Implementing Ajax Image Upload with Deletion in ThinkPHP5
Youzan Coder
Youzan Coder
Jan 8, 2021 · Frontend Development

File Upload Techniques: From Basic Validation to Advanced Resumable Uploads

This article surveys web file‑upload strategies, from basic Blob/File handling and pre‑upload validation—including MIME, extension, and binary header checks—to advanced techniques such as chunked transfers, progress tracking, resumable uploads with pause/resume, and optional compression or encryption via CDN services.

FormDatabinary analysischunked upload
0 likes · 20 min read
File Upload Techniques: From Basic Validation to Advanced Resumable Uploads
Tech Musings
Tech Musings
Mar 23, 2020 · Backend Development

Mastering Multipart/Form-Data: From AJAX FormData to Spring Boot Backend

This guide explains how multipart/form-data enables sending JSON and binary data together, outlines its essential specifications, demonstrates front‑end FormData usage, and details Spring Boot back‑end handling with @RequestParam and @RequestPart annotations.

BackendFormDataHTTP
0 likes · 4 min read
Mastering Multipart/Form-Data: From AJAX FormData to Spring Boot Backend
Aotu Lab
Aotu Lab
Apr 29, 2016 · Backend Development

How to Manually Build multipart/form-data Requests in JavaScript and Node.js

This guide explains the different form enctype types, dissects a multipart/form-data example, outlines the encoding rules, and provides step‑by‑step JavaScript and Node.js code for manually constructing and sending such requests, including handling of text fields and binary files.

FormDataJavaScriptNode.js
0 likes · 10 min read
How to Manually Build multipart/form-data Requests in JavaScript and Node.js