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How Can I Implement Smooth Scrolling for Anchor Links Using jQuery and Native JavaScript?
How Can I Implement Smooth Scrolling for Anchor Links Using jQuery and Native JavaScript?
Dec 18, 2024 pm 03:42 PM
Smooth Scrolling with Anchor Links
When utilizing anchor links to direct users to specific sections of a webpage, a smooth scrolling experience can enhance user accessibility and engagement. jQuery offers built-in features to achieve this effect.
jQuery Technique
To initiate smooth scrolling using jQuery, employ the following code:
$(document).on('click', 'a[href^="#"]', function (event) {
event.preventDefault();
$('html, body').animate({
scrollTop: $($.attr(this, 'href')).offset().top
}, 500);
});
Native Approach (Modern Browsers)
Modern browsers now support native smooth scrolling for anchor links. Implement this behavior with the following code:
document.querySelectorAll('a[href^="#"]').forEach(anchor => {
anchor.addEventListener('click', function (e) {
e.preventDefault();
document.querySelector(this.getAttribute('href')).scrollIntoView({
behavior: 'smooth'
});
});
});
Additional Considerations
No ID Attribute: If the target element lacks an ID attribute but is identified by name, use this code:
$('a[href^="#"]').click(function () {
$('html, body').animate({
scrollTop: $('[name="' + $.attr(this, 'href').substr(1) + '"]').offset().top
}, 500);
return false;
});
Performance Optimization: Cache the document root selector to improve performance:
var $root = $('html, body');
$('a[href^="#"]').click(function () {
$root.animate({
scrollTop: $( $.attr(this, 'href') ).offset().top
}, 500);
return false;
});
URL Update: To update the URL during scrolling, use this callback:
var $root = $('html, body');
$('a[href^="#"]').click(function() {
var href = $.attr(this, 'href');
$root.animate({
scrollTop: $(href).offset().top
}, 500, function () {
window.location.hash = href;
});
return false;
});The above is the detailed content of How Can I Implement Smooth Scrolling for Anchor Links Using jQuery and Native JavaScript?. For more information, please follow other related articles on the PHP Chinese website!
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