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How Can I Temporarily Disable Scrolling in JavaScript for a Better User Experience?
How Can I Temporarily Disable Scrolling in JavaScript for a Better User Experience?
Dec 23, 2024 pm 10:54 PM
Disable Scrolling Temporarily in Javascript for a Seamless User Experience
Temporary suspension of scrolling can enhance the user experience when working with animations, such as the jQuery scrollTo plugin. While disabling scrolling entirely may seem like a straightforward solution, maintaining the visibility of the scrollbar while preventing interaction offers a more elegant approach.
To achieve this, we will focus on canceling interaction events associated with both mouse and touch scrolling, including keyboard buttons.
[Working Demo]
// Event Codes for Navigation Keys
var keys = {37: 1, 38: 1, 39: 1, 40: 1};
// Prevent Default Scrolling
function preventDefault(e) {
e.preventDefault();
}
// Cancel Scrolling for Navigation Keys
function preventDefaultForScrollKeys(e) {
if (keys[e.keyCode]) {
preventDefault(e);
return false;
}
}
// Disable Scrolling
function disableScroll() {
window.addEventListener('DOMMouseScroll', preventDefault, false); // Firefox
window.addEventListener('wheel', preventDefault, false); // Desktop
window.addEventListener('touchmove', preventDefault, false); // Mobile
window.addEventListener('keydown', preventDefaultForScrollKeys, false); // Keyboard
}
// Enable Scrolling
function enableScroll() {
window.removeEventListener('DOMMouseScroll', preventDefault, false);
window.removeEventListener('wheel', preventDefault, false);
window.removeEventListener('touchmove', preventDefault, false);
window.removeEventListener('keydown', preventDefaultForScrollKeys, false);
}
By calling disableScroll(), we effectively prevent scrolling while the scrollTo animation is in progress. Once the animation is complete, enableScroll() can be used to restore scrolling functionality.
Update: Enhanced Support
This solution has been updated to work seamlessly on modern mobile browsers and Chrome desktop. Passive listeners are now incorporated to maintain performance and user responsiveness.
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