File API: Learn how to access files from JavaScript

JD Gauchat

jan. 2018 · J.D Gauchat

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Learn how to use the File API to load files from the user's computer. After reading this guide, you will know how to read and process files, how to show their content on your website, and how to control the process using events.

Table of Contents

FILE API

Files

Loading Files

Reading Files

Properties

Blobs

Events

QUICK REFERENCE

Reader

Files

Methods

Events

Progress

This guide assumes that you have a basic knowledge of HTML, CSS and JavaScript, and you know how to create files and upload them to a server. If you don't know how to program in HTML, CSS or JavaScript, you can download our guides Introduction to HTML, Introduction to CSS, and Introduction to JavaScript. For a complete course on web development, read our book HTML5 for Masterminds.

This guide is a collection of excerpts from the book HTML5 for Masterminds. The information included in this guide will help you understand a particular aspect of web development, but it will not teach you everything you need to know to develop a website or a web application. If you need a complete course on web development, read our book HTML5 for Masterminds. For more information, visit our website at www.formasterminds.com.

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Oplysninger om læsning

Smartphones og tablets

Installer appen Google Play Bøger til Android og iPad/iPhone. Den synkroniserer automatisk med din konto og giver dig mulighed for at læse online eller offline, uanset hvor du er.

Bærbare og stationære computere

Du kan høre lydbøger, du har købt i Google Play via browseren på din computer.

e-læsere og andre enheder

Hvis du vil læse på e-ink-enheder som f.eks. Kobo-e-læsere, skal du downloade en fil og overføre den til din enhed. Følg den detaljerede vejledning i Hjælp for at overføre filerne til understøttede e-læsere.

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