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About

JavaScript is a scripting language and programming language for the web that enables developers to build dynamic elements on the web. Over 97% of the websites in the world use client-side JavaScript. JavaScript is one of the most important scripting languages on the web. Strings in JavaScript are contained within a pair of either single quotation marks '' or double quotation marks "". Both quotes represent Strings but be sure to choose one and STICK WITH IT. If you start with a single quote, you need to end with a single quote. There are pros and cons to using both IE single quotes tend to make it easier to write HTML within Javascript as you don’t have to escape the line with a double quote. Let’s say you’re trying to use quotation marks inside a string. You’ll need to use opposite quotation marks inside and outside of JavaScript single or double quotes.

About

Create and modify PDF documents in any JavaScript environment. Create PDF documents from scratch, or modify existing PDF documents. Draw text, images, and vector graphics. Embed your own fonts. Even embed and draw pages from other PDFs. Written in TypeScript and compiled to pure JavaScript with no native dependencies. Works in any JavaScript runtime, including browsers, Node, Deno, and even React Native. Add, insert, and remove pages. Split a single PDF into separate ones. Or merge multiple PDFs into a single document. Create new forms or fill and read existing fields. Checkboxes, buttons, radio groups, dropdowns, option lists, and text fields are all supported. If you aren't using a package manager, UMD modules are available on the unpkg and jsDelivr CDNs. Note that only some PDF readers can view attachments. This includes Adobe Reader, Foxit Reader, and Firefox. If you are using the CDN scripts in production, you should include a specific version number in the URL.

About

WebAssembly (abbreviated Wasm) is a binary instruction format for a stack-based virtual machine. Wasm is designed as a portable compilation target for programming languages, enabling deployment on the web for client and server applications. The Wasm stack machine is designed to be encoded in a size- and load-time-efficient binary format. WebAssembly aims to execute at native speed by taking advantage of common hardware capabilities available on a wide range of platforms. WebAssembly describes a memory-safe, sandboxed execution environment that may even be implemented inside existing JavaScript virtual machines. When embedded in the web, WebAssembly will enforce the same-origin and permissions security policies of the browser. WebAssembly is designed to be pretty-printed in a textual format for debugging, testing, experimenting, optimizing, learning, teaching, and writing programs by hand. The textual format will be used when viewing the source of Wasm modules on the web.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Web developers and anyone looking for a mobile solution for running and developing web content

Audience

Developers in need of a tool to create and modify PDF documents in JavaScript environments

Audience

Developers

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Screenshots and Videos

Pricing

Free
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Pricing

Free
Free Version
Free Trial

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

JavaScript
Founded: 1995
United States
javascript.com

Company Information

PDF-LIB
United States
pdf-lib.js.org

Company Information

WebAssembly
Founded: 2015
webassembly.org

Alternatives

Alternatives

Alternatives

AssemblyScript

AssemblyScript

The AssemblyScript Project
AssemblyScript

AssemblyScript

The AssemblyScript Project
Modsurfer

Modsurfer

Dylibso
RAD PDF

RAD PDF

Red Software
PDFreactor

PDFreactor

RealObjects

Categories

Categories

Categories

Integrations

Baichuan-13B
Betterscan.io
Cocos2d-x
CodeFriends
CodeSession
Cody
DevGPT
Eclipse Dirigible
GPT‑5-Codex
Gemini 2.0 Flash-Lite
Gemini Code Assist
Granica
IntelliSense
Kuroco
LinkActions
NVU
QuickEdit
ShellNGN
SvelteShip

Integrations

Baichuan-13B
Betterscan.io
Cocos2d-x
CodeFriends
CodeSession
Cody
DevGPT
Eclipse Dirigible
GPT‑5-Codex
Gemini 2.0 Flash-Lite
Gemini Code Assist
Granica
IntelliSense
Kuroco
LinkActions
NVU
QuickEdit
ShellNGN
SvelteShip

Integrations

Baichuan-13B
Betterscan.io
Cocos2d-x
CodeFriends
CodeSession
Cody
DevGPT
Eclipse Dirigible
GPT‑5-Codex
Gemini 2.0 Flash-Lite
Gemini Code Assist
Granica
IntelliSense
Kuroco
LinkActions
NVU
QuickEdit
ShellNGN
SvelteShip
Claim JavaScript and update features and information
Claim JavaScript and update features and information
Claim PDF-LIB and update features and information
Claim PDF-LIB and update features and information
Claim WebAssembly and update features and information
Claim WebAssembly and update features and information