A few weeks ago, I wrote an article sharing how to read driver’s license information from PDF417 on Android. Comparing to building an Android native camera app, building a web camera app is much easier. In this article, let’s take a glimpse at a JavaScript sample, which is implemented with a few lines of code by invoking Dynamsoft web barcode SDK.
About Dynamsoft Web Barcode SDK
Installation
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The JavaScript barcode library is available for download on npmjs.org.
You can either download the package via
or include the online JS file directly in your HTML file:
Pdf417 Driver's License Format
Building a Web Barcode Reader in less than 30 Seconds
Dynamsoft JavaScript barcode SDK is based on WebAssembly, which brings the high performance of barcode scanning functionality to web developers. Besides, it provides built-in camera module APIs. With the deeply encapsulated JavaScript SDK, you will find making an HTML5 barcode scanner with cameras can never be such convenient.
To quickly build a web barcode scanner app, copy the following code to your HTML file:
Note: you are authorized to use the SDK for 7-day free trial. To get more trial days, please apply for a 30-day trial license and update the line:
Parsing Driver’s License Information Based on AAMVA Standard
For better balance the accuracy and performance of decoding PDF417 symbology, you’d better make some parameter configurations according to the online documentation:
The last thing is to create a JavaScript parser for extracting driver’s license information based on the AAMVA standard:
To save time, you can use alert() to show driver’s license information: