Zepto.js

Business Profile

Core Value Proposition

Zepto.js provides a lightweight, jQuery-compatible JavaScript library designed for fast download and execution in modern browsers.

Target Customer

Web developers and JavaScript developers seeking a lightweight, jQuery-compatible library for modern browsers, with use cases in mobile web, browser extensions, and HTML-based views in native apps.

Key Differentiator

Extremely small, modular build with a jQuery-compatible API, available under MIT license, focused on fast download/execution for modern browsers.

Implementation Timeline

Not explicitly specified in the content.

Pain Points

1Need for a lightweight alternative to jQuery for the mobile web.
2Desire for a modular build to include only needed features.
3Requirement to support modern browsers while not targeting very old browsers (older IE versions not supported).

Key Features

1jQuery-compatible API with core methods and a broad set of utilities.
2Modular build system to select modules (Core, Ajax, Event, Form, IE) and customize the library.
3Download options including zepto.js (development) and zepto.min.js (production); npm install zepto.
4Zepto collection model with a large number of DOM manipulation methods (addClass, attr, append, etc.).
5Browser support focused on modern browsers; manual build guidance via README.

Target Customer Industries

Client Results

1Faster load and execution due to a lean, modular library designed to be smaller than full-featured alternatives.
2Familiar API reduces migration effort for developers already using jQuery.

Competitive Advantages

1Tiny, lightweight footprint (5-10k modular library when built).
2Modular customization to include only needed features.
3jQuery-compatible API for easier adoption.
4MIT license (open source, business-friendly).
5Designed for modern browsers and mobile web; supports native app HTML views and browser extensions.
6Does not attempt 100% jQuery coverage, focusing on a lean, fast subset.

Key Benefits

1Small size and modular architecture for lean builds.

2jQuery-compatible API for easier transition and plugin compatibility.

3Open-source MIT license.

4Optimized for mobile web and modern browser environments.

5Flexible build process to include only necessary modules.

Additional Product Information

Product Description

Zepto.js is a minimalist JavaScript library for modern browsers with a largely jQuery-compatible API.

Target Market

Developers building web applications for modern browsers, including mobile web, browser extensions, and HTML-based views within native apps.

Unique Value Proposition

A lightweight, modular, MIT-licensed alternative to jQuery that delivers a fast, browser-friendly API for modern web development.

Technical Requirements

Browser support includes: Safari 6+; Chrome 30+; Firefox 24+; iOS 5+; Android 2.3+; Internet Explorer 10+; Some features require optional modules (e.g., selector module for limited jQuery CSS extensions). Zepto is not intended for old IE versions (<10).

Pricing Model

MIT-licensed open source (free to use).

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