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How to use jQuery to disable the pulley

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2023-04-10 09:49:031028browse

With the continuous updating and development of Internet technology, many websites have adopted JavaScript libraries to achieve various interactive animation effects. One of the commonly used libraries is jQuery, which simplifies the writing and operation of JavaScript, allowing developers to be more Easily complete various interactive effects, and also provides a large number of convenient and fast APIs. In website development, sometimes we need to disable the pulley to achieve certain interactive effects. This article will introduce how to use jQuery to disable the pulley.

jQuery implementation method of disabling the pulley

Specifically, the implementation method of disabling the pulley includes two steps:

Step 1: Define the function of disabling the pulley

We can use the .on() method in jQuery to bind the mouse wheel event of the DOM element, and then prevent the default scrolling behavior through the preventDefault() method to achieve the effect of disabling the pulley. The following is a sample code:

function stopScrolling(event) {
    event.preventDefault();
}

In this function, we first use the event.preventDefault() method to prevent the default pulley event, and then achieve the effect of disabling the pulley by calling this function.

Step 2: Bind the mouse wheel event

Next, we need to bind the mouse wheel event to call the function that disables the wheel. Here we can select the body element or document element to bind the wheel. event, this is because if we bind the pulley event to a specific element, when the mouse scrolls to the area outside the element, the pulley will still have the effect of scrolling the page.

$(document).on('mousewheel DOMMouseScroll', stopScrolling);

In this code, we use the on() method to bind the mouse wheel event. The parameter 'mousewheel DOMMouseScroll' achieves cross-browser compatibility, and stopScrolling is the disable we defined in the previous step. Pulley function, so that pulley events are disabled.

JQuery implementation method of enabling the pulley

If we need to re-enable the pulley event after disabling the pulley, we can use the off() method to unbind, the code is as follows:

$(document).off('mousewheel DOMMouseScroll', stopScrolling);

In this code, the off() method is used to unbind the mouse wheel event. The parameter 'mousewheel DOMMouseScroll' is the parameter used when binding the wheel event before, and stopScrolling is the disable wheel function we defined before.

Summary

To sum up, by using jQuery, we can easily achieve the effect of disabling the pulley event, which is very useful for some websites that need to achieve special interactive effects. Of course, in order to improve the user experience, we should also pay attention to some details when using pulley events, such as avoiding conflicts between pulley events and mouse gesture events. These require us to make appropriate adjustments based on the actual situation in the specific implementation.

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