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Table of Contents
FAQ for iScroll and scroll end events (FAQ)
What is the main difference between iScroll and scroll end events?
How to use iScroll in my project?
Can I use iScroll with React or other JavaScript frameworks?
How to listen for scroll end events?
Can I customize the behavior of the scroll end event?
What are some common use cases of iScroll?
What are some common use cases for scroll end events?
What are the known issues or limitations of iScroll?
What are the known issues or limitations for the scroll end event?
Where can I find more information about iScroll and scroll end events?
Home Web Front-end JS Tutorial scroll 4 helper code snippets

scroll 4 helper code snippets

Feb 23, 2025 am 09:24 AM

iScroll 4 Helper Code Snippets

I have been using the iScroll 4 plugin and it is very good. I use it to implement touch-friendly scrollbars – a great plugin. If I have time, I will write an extension API for it and write some demos (if the interest is big enough). But now, here are some code snippets.

// 下面代碼片段的設(shè)置
var scrollName = 'myScroll',
     scrollDuration = 1000,
    scrollAmount = 200;

Set scrolling with scroll end callback function.

// 設(shè)置滾動并帶有滾動結(jié)束回調(diào)函數(shù)
window[scrollName] = new iScroll(scrollName, {
    onScrollEnd: function() {
        console.log('onScrollEnd');
        // 在滾動結(jié)束時執(zhí)行某些操作
    }
});

Check if scrolling is at the top of the content.

// 檢查滾動是否位于內(nèi)容頂部
window[scrollName].y

Check if the scrolling is at the bottom of the content.

// 檢查滾動是否位于內(nèi)容底部
window[scrollName].y == window[scrollName].maxScrollY

Scroll to the top of the content.

// 滾動到內(nèi)容頂部
window[scrollName].scrollTo(0, 0, scrollDuration);

// 或
window[scrollName].scrollTo(0, 0);

Scroll relative upward.

// 相對向上滾動
window[scrollName].scrollTo(0, '-'+scrollAmount, scrollDuration, true);

Scroll down relative to each other.

// 相對向下滾動
window[scrollName].scrollTo(0, scrollAmount, scrollDuration, true);

// If not, initialize scrolling on the Bootstrap modal window

if (!window[scrollName].wrapper) {
    // 它需要可見才能工作...
    setTimeout(function() {
        console.log('modal iscroll...');
        console.log(scrollName);
        window[scrollName] = new iScroll(scrollName);
    }, 10);
}

FAQ for iScroll and scroll end events (FAQ)

What is the main difference between iScroll and scroll end events?

iScroll is a high-performance, small space-consuming, dependency-free, multi-platform JavaScript scroller. It runs on desktops, mobile devices and smart TVs. It is designed to handle different types of events and is highly customizable. On the other hand, the scroll end event is a more specific event that is triggered after the scroll operation is completed. It is part of the Web API and is not as customizable as iScroll.

How to use iScroll in my project?

To use iScroll in your project, you need to include the iScroll JavaScript file in the HTML file. After that, the new iScroll instance can be initialized by calling the iScroll constructor with the ID of the element to be scrollable. You can also pass in an option object to customize the scroller's behavior.

Can I use iScroll with React or other JavaScript frameworks?

Yes, iScroll can be used with any JavaScript framework, including React, Angular, Vue, etc. Just make sure that the iScroll instance is initialized after the framework renders the DOM.

How to listen for scroll end events?

You can use the addEventListener method on the element you want to monitor to listen for scroll end events. The event listener function is called whenever a scrolling operation is completed on this element.

Can I customize the behavior of the scroll end event?

The scroll end event itself cannot be customized because it is part of the Web API. However, you can customize what happens when an event is triggered by defining your own event listener function.

What are some common use cases of iScroll?

iScroll can be used in a variety of situations when customizable, high-performance rollers are needed. Some common use cases include mobile web applications, single page applications, and web-based games.

What are some common use cases for scroll end events?

The scroll end event is usually used when you need to know when the scrolling operation is completed. This is useful for delayed loading of content, infinite scrolling, or triggering animations based on scroll position.

What are the known issues or limitations of iScroll?

iScroll is a mature and well-maintained library, but like any software, it may have some issues or limitations. These are usually recorded in the project's GitHub repository.

What are the known issues or limitations for the scroll end event?

The scroll end event is part of the Web API, so its behavior should be consistent across all modern browsers. However, in older browsers, there may be some differences in how it is implemented.

Where can I find more information about iScroll and scroll end events?

More information about iScroll can be found on its official website and on the GitHub repository. For more information about the end of scroll events, please refer to the Mozilla Developer Network (MDN) web documentation.

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