How to use JavaScript plug-in to achieve the effect of page fixation and element independent movement?

Create a unique web scrolling experience: page fixation and elements are moved independently

In web design, sometimes a special scrolling effect is needed: the page is fixed after scrolling to a specific position, and the scroll bar only controls the movement of a specific element. After the element is moved, the page can continue to scroll. Although this effect is uncommon, it can bring a unique user experience.

This article introduces two JavaScript plug-in-based solutions to help you achieve this effect easily.

Method 1: Use ScrollMagic Plug-in

ScrollMagic is a powerful JavaScript library that is good at creating scroll-based animations and interaction effects. With ScrollMagic, you can easily define trigger points, causing movement of specific elements when the scrollbar reaches a specified position, while locking scrolling for the rest of the page.

Specific steps:

1. Install ScrollMagic: Download it through npm or official website.
2. Initialize the controller: Create a ScrollMagic controller instance in JavaScript code.
3. Define the scene: Create the scene, set the trigger point and duration, and specify the elements that need to be moved.
4. Control page scrolling: Use JavaScript code to lock page scrolling, and unlock the element after it is moved.

Method 2: Use the Jaralax plug-in cleverly

Jarallax is mainly used to create parallax scrolling effects, but through custom settings, it can also achieve page fixation and elements independent movement.

The steps are as follows:

1. Install Jaralax: Download via npm or official website.
2. Initialize Jaralax: Initialize Jaralax in JavaScript code and set the parallax element.
3. Custom scrolling behavior: Use JavaScript to customize scrolling behavior, control movement of specific elements, and lock and unlock page scrolling at the right time.

Whether it’s ScrollMagic or Jarallax, it requires a certain programming foundation, but they provide powerful tools to help you achieve complex scrolling effects and create an impressive web experience.

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