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feat(#1932): implement smooth scrolling for anchor navigation across site #1965
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ee25a7b
feat(#1932): implement smooth scrolling for anchor navigation across …
Mohit5Upadhyay 736831c
feat: implement CSS-only smooth scrolling for anchor navigation
Mohit5Upadhyay 9ce8ec4
apply reviewer changes: Update scroll-margin-top to 60px and remove p…
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,12 +1,56 @@ | ||
$(function(){ | ||
var doc = $(document); | ||
|
||
// Configuration for smooth scrolling | ||
var scrollDuration = 500; | ||
var headerOffset = 120; | ||
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// Smooth scroll function | ||
function smoothScrollToElement(target) { | ||
var $target = $(target); | ||
|
||
// Handle IDs with dots (like express.urlencoded) | ||
if (!$target.length && typeof target === 'string' && target.indexOf('.') > -1) { | ||
var targetId = target.replace('#', ''); | ||
$target = $('[id="' + targetId + '"]'); | ||
} | ||
|
||
if ($target.length) { | ||
$('html, body').animate({ | ||
scrollTop: $target.offset().top - headerOffset | ||
}, scrollDuration); | ||
return true; | ||
} | ||
return false; | ||
} | ||
|
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// top link | ||
$('#top').click(function(e){ | ||
$('html, body').animate({scrollTop : 0}, 500); | ||
return false; | ||
}); | ||
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// Smooth scrolling for all anchor links | ||
$(document).on('click', 'a[href^="#"]:not([href="#"]):not([href="#top"])', function(e) { | ||
var href = $(this).attr('href'); | ||
if (smoothScrollToElement(href)) { | ||
e.preventDefault(); | ||
There was a problem hiding this comment. Choose a reason for hiding this commentThe reason will be displayed to describe this comment to others. Learn more. Can you please remove this line https://github.com/expressjs/expressjs.com/blob/gh-pages/js/menu.js#L186 ? Since default behavior stopped here. |
||
// Update URL after scroll | ||
if (history.pushState) { | ||
history.pushState(null, null, href); | ||
} | ||
} | ||
}); | ||
|
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// Handle direct hash navigation on page load | ||
$(window).on('load', function() { | ||
if (window.location.hash) { | ||
setTimeout(function() { | ||
smoothScrollToElement(window.location.hash); | ||
}, 300); | ||
} | ||
}); | ||
|
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// scrolling links | ||
var added; | ||
doc.scroll(function(e){ | ||
|
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We should minimize the scope of this click event. Currently, $(document).on('click'...) attaches the handler to all anchor links with
#
across every page. However, smooth scrolling is only needed on API pages, since the TOC exists only there. Scoping it to#api-doc
avoids unnecessary event handling and prevents inconsistent anchor#
behavior on other pages. Also, checking"#api-doc"
exist on page is required before applying click event.