gsap-utils

Provide GSAP utility functions for clamping, mapping, interpolation, and color parsing.

13.3k|785|Updated Mar 4, 2026
One-click install
npx skills add https://github.com/greensock/gsap-skills --skill gsap-utils-greensock
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: gsap-utils
Source: https://github.com/greensock/gsap-skills/tree/main/skills/gsap-utils
Command: npx skills add https://github.com/greensock/gsap-skills --skill gsap-utils-greensock

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill simplifies the use of GSAP utility functions, allowing for efficient animation control and manipulation of values within GSAP animations.

Core Features & Use Cases

  • Clamping and Ranges: Control values to stay within a specific range, useful for ensuring that animation values do not exceed boundaries.
  • Mapping and Normalizing: Transform values from one range to another, ideal for scroll animations and progress-based animations.
  • Interpolation: Smoothly transition between values at a given rate, perfect for creating dynamic and smooth animations.
  • Randomization and Snapping: Introduce randomness or snap values to specific points, useful for creating unpredictable and precise animations.
  • Array and Collection Handling: Work with arrays and collections efficiently within GSAP animations, enabling more complex and dynamic sequences.
  • Units and Parsing: Handle units and parse color values, useful for animating with precision.
  • Use Case: For example, if you want to animate an element so that its x position smoothly moves from 0 to 100 over time, you can use this Skill to interpolate between these values.

Quick Start

To use gsap.utils to clamp a value between 0 and 100, you can call gsap.utils.clamp(0, 100, value), where 'value' is the number you want to clamp.

Frequently Asked Questions about gsap-utils

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I map and normalize values for GSAP scroll animations?

GSAP utility functions allow you to map and normalize values by transforming them from one range to another. This is ideal for creating scroll animations and progress-based sequences in JavaScript environments.

Can I use GSAP utility functions with React, Vue, and Svelte?

Yes, you can use GSAP utility functions with React, Vue, Svelte, and vanilla JavaScript. These functions target developers needing to manipulate values within GSAP animations across various JavaScript environments.

How do I clamp values to stay within a specific range in GSAP?

To clamp values in GSAP, call `gsap.utils.clamp(0, 100, value)` where the first two arguments define the range and the third is your target number. This ensures animation values do not exceed your specified boundaries.

What's the best way to interpolate between values for smooth JavaScript animations?

The best way to interpolate values for smooth JavaScript animations is using GSAP utility functions. They allow you to smoothly transition between values at a given rate, perfect for dynamic movements like transitioning an element's x position.

Does GSAP provide utilities for parsing color values and handling units?

Yes, GSAP provides utility functions specifically for parsing color values and handling units. These tools allow you to animate with precision by correctly splitting and interpreting color and unit data within your animations.