How to scroll up or down the page to an anchor usi

问题:

I\'m looking for a way to include a slide effect for when you click a link to a local anchor either up or down the page.

I\'d like something where you have a link like so:

<a href=\"#nameofdivetc\">link text, img etc.</a>

perhaps with a class added so you know you want this link to be a sliding link:

<a href=\"#nameofdivetc\" class=\"sliding-link\">link text, img etc.</a>

Then if this link is clicked, the page slides up or down to the required place (could be a div, heading, top of page etc).

---

This is what I had previously:

    $(document).ready(function(){
    $(\".scroll\").click(function(event){
        //prevent the default action for the click event
        event.preventDefault();

        //get the full url - like mysitecom/index.htm#home
        var full_url = this.href;

        //split the url by # and get the anchor target name - home in mysitecom/index.htm#home
        var parts = full_url.split(\"#\");
        var trgt = parts[1];

        //get the top offset of the target anchor
        var target_offset = $(\"#\"+trgt).offset();
        var target_top = target_offset.top;

        //goto that anchor by setting the body scroll top to anchor top
        $(\'html, body\').animate({scrollTop:target_top}, 1500, \'easeInSine\');
    });
});

回答1:

Description

You can do this using jQuery.offset() and jQuery.animate().

Check out the jsFiddle Demonstration.

Sample

function scrollToAnchor(aid){
    var aTag = $(\"a[name=\'\"+ aid +\"\']\");
    $(\'html,body\').animate({scrollTop: aTag.offset().top},\'slow\');
}

scrollToAnchor(\'id3\');

More Information

• jsFiddle Demonstration
• jQuery.offset()
• jQuery.animate()

回答2:

Assuming that your href attribute is linking to a div with the tag id with the same name (as usual), you can use this code:

HTML

<a href=\"#goto\" class=\"sliding-link\">Link to div</a>

<div id=\"goto\">I\'m the div</div>

JAVASCRIPT - (Jquery)

$(\".sliding-link\").click(function(e) {
    e.preventDefault();
    var aid = $(this).attr(\"href\");
    $(\'html,body\').animate({scrollTop: $(aid).offset().top},\'slow\');
});

回答3:

This made my life so much easier. You basically put in your elements id tag and its scrolls to it without a lot of code

http://balupton.github.io/jquery-scrollto/

In Javascript

$(\'#scrollto1\').ScrollTo();

In your html

<div id=\"scroollto1\">

Here I am all the way down the page

回答4:

function scroll_to_anchor(anchor_id){
    var tag = $(\"#\"+anchor_id+\"\");
    $(\'html,body\').animate({scrollTop: tag.offset().top},\'slow\');
}

回答5:

I stuck with my original code and also included a fade in \'back-to-top\' link making use of this code and a bit from here too:

http://webdesignerwall.com/tutorials/animated-scroll-to-top

Works well :)

回答6:

You should also consider that the target has a padding and thus use position instead of offset. You can also account for a potential nav bar you don\'t want to be overlapping the target.

const $navbar = $(\'.navbar\');

$(\'a[href^=\"#\"]\').on(\'click\', function(e) {
    e.preventDefault();

    const scrollTop =
        $($(this).attr(\'href\')).position().top -
        $navbar.outerHeight();

    $(\'html, body\').animate({ scrollTop });
})

回答7:

You may want to add offsetTop and scrollTop value in case You are animating not the whole page , but rather some nested content.

e.g :

var itemTop= $(\'.letter[name=\"\'+id+\'\"]\').offset().top;
var offsetTop = $someWrapper.offset().top;
var scrollTop = $someWrapper.scrollTop();
var y = scrollTop + letterTop - offsetTop

this.manage_list_wrap.animate({
  scrollTop: y
}, 1000);

回答8:

My approach with jQuery to just make all of the embedded anchor links slide instead of jump instantly

It\'s really similar to the answer by Santi Nunez but it\'s more reliable.

Support

• Multi-framework environment.
• Before the page has finished loading.

<a href=\"#myid\">Go to</a>
<div id=\"myid\"></div>

// Slow scroll with anchors
(function($){
    $(document).on(\'click\', \'a[href^=#]\', function(e){
        e.preventDefault();
        var id = $(this).attr(\'href\');
        $(\'html,body\').animate({scrollTop: $(id).offset().top}, 500);
    });
})(jQuery);

回答9:

SS Slow Scroll

This solution does not require anchor tags but you do of course need to match the menu button (arbitrary attribute, \'ss\' in example) with the destination element id in your html.

ss=\"about\" takes you to id=\"about\"

$(\'.menu-item\').click(function() {
	var keyword = $(this).attr(\'ss\');
	var scrollTo = $(\'#\' + keyword);
	$(\'html, body\').animate({
		scrollTop: scrollTo.offset().top
	}, \'slow\');
});

.menu-wrapper {
  display: flex;
  margin-bottom: 500px;
}
.menu-item {
  display: flex;
  justify-content: center;
  flex: 1;
  font-size: 20px;
  line-height: 30px;
  color: hsla(0, 0%, 80%, 1);
  background-color: hsla(0, 0%, 20%, 1);
  cursor: pointer;
}
.menu-item:hover {
  background-color: hsla(0, 40%, 40%, 1);
}

.content-block-header {
  display: flex;
  justify-content: center;
  font-size: 20px;
  line-height: 30px;
  color: hsla(0, 0%, 90%, 1);
  background-color: hsla(0, 50%, 50%, 1);
}

<script src=\"https://ajax.googleapis.com/ajax/libs/jquery/1.9.1/jquery.min.js\"></script>
<div class=\"menu-wrapper\">
  <div class=\"menu-item\" ss=\"about\">About Us</div>
  <div class=\"menu-item\" ss=\"services\">Services</div>
  <div class=\"menu-item\" ss=\"contact\">Contact</div>
</div>

<div class=\"content-block-header\" id=\"about\">About Us</div>
<div class=\"content-block\">
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</div>
<div class=\"content-block-header\" id=\"services\">Services</div>
<div class=\"content-block\">
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That\'s the shizzle et dizzle quis nisi sheezy mollis. Suspendisse bizzle. Morbi odio. Vivamizzle boofron. Crizzle orci. Cras mauris its fo rizzle, interdizzle a, we gonna chung amizzle, break it down izzle, pizzle. Pellentesque rizzle. Vestibulum its fo rizzle mi, volutpat uhuh ... yih!, ass funky fresh, adipiscing semper, fo shizzle. Crizzle izzle ipsum. We gonna chung mammasay mammasa mamma oo sa stuff brizzle yo. Cras ass justo nizzle purizzle sodales break it down. Check it out venenatizzle justo yo shut the shizzle up. Nunc crackalackin. Suspendisse bow wow wow placerizzle sure. Fizzle eu ante. Nunc that\'s the shizzle, leo eu gangster hendrerizzle, gangsta felis elementum pizzle, sizzle aliquizzle crunk bizzle luctus pede. Nam a nisl. Fo shizzle da bomb taciti gangster stuff i\'m in the shizzle i\'m in the shizzle per conubia you son of a bizzle, per inceptos its fo rizzle. Check it out break it down, neque izzle cool nonummy, tellivizzle orci viverra leo, bizzle semper risizzle arcu fo shizzle mah nizzle.
</div>
<div class=\"content-block-header\" id=\"contact\">Contact</div>
<div class=\"content-block\">
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</div>

Fiddle

https://jsfiddle.net/Hastig/stcstmph/4/

回答10:

Here is the solution that worked for me. This is a generic function which works for all of the a tags referring to a named a

$(\"a[href^=#]\").on(\'click\', function(event) { 
    event.preventDefault(); 
    var name = $(this).attr(\'href\'); 
    var target = $(\'a[name=\"\' + name.substring(1) + \'\"]\'); 
    $(\'html,body\').animate({ scrollTop: $(target).offset().top }, \'slow\'); 
});

Note 1: Make sure that you use double quotes \" in your html. If you use single quotes, change the above part of the code to var target = $(\"a[name=\'\" + name.substring(1) + \"\']\");

Note 2: In some cases, especially when you use the sticky bar from the bootstrap, the named a will hide beneath the navigation bar. In those cases (or any similar case), you can reduce the number of the pixels from your scroll to achieve the optimal location. For example: $(\'html,body\').animate({ scrollTop: $(target).offset().top - 15 }, \'slow\'); will take you to the target with 15 pixels left on the top.

回答11:

I stumbled upon this example on https://css-tricks.com/snippets/jquery/smooth-scrolling/ explaining every line of code. I found this to be the best option.

https://css-tricks.com/snippets/jquery/smooth-scrolling/

You can go native:

window.scroll({
  top: 2500, 
  left: 0, 
  behavior: \'smooth\' 
});

window.scrollBy({ 
  top: 100, // could be negative value
  left: 0, 
  behavior: \'smooth\' 
});

document.querySelector(\'.hello\').scrollIntoView({ 
  behavior: \'smooth\' 
});

or with jquery:

$(\'a[href*=\"#\"]\').not(\'[href=\"#\"]\').not(\'[href=\"#0\"]\').click(function(event) {

    if (
        location.pathname.replace(/^\\//, \'\') == this.pathname.replace(/^\\//, \'\') 
        && location.hostname == this.hostname
       ) {

      var target = $(this.hash);
      target = target.length ? target : $(\'[name=\' + this.hash.slice(1) + \']\');

      if (target.length) {
        event.preventDefault();
        $(\'html, body\').animate({
          scrollTop: target.offset().top
        }, 1000);
      }
    }
  });

回答12:

$(function() {
    $(\'a#top\').click(function() {
        $(\'html,body\').animate({\'scrollTop\' : 0},1000);
    });
});

Test it here:

http://jsbin.com/ucati4

回答13:

following solution worked for me:

$(\"a[href^=#]\").click(function(e)
        {
            e.preventDefault();
            var aid = $(this).attr(\'href\');
            console.log(aid);
            aid = aid.replace(\"#\", \"\");
            var aTag = $(\"a[name=\'\"+ aid +\"\']\");
            if(aTag == null || aTag.offset() == null)
                aTag = $(\"a[id=\'\"+ aid +\"\']\");

            $(\'html,body\').animate({scrollTop: aTag.offset().top}, 1000);
        }
    );