Jquery Smooth Scroll To DIV - 使用Link中的ID值

Question

So i'm having some issues with my JQuery which is suppose to scroll to particular divs.

HTML

<div id="searchbycharacter">
    <a class="searchbychar" href="#" id="#0-9" onclick="return false">0-9 |</a> 
    <a class="searchbychar" href="#" id="#A" onclick="return false"> A |</a> 
    <a class="searchbychar" href="#" id="#B" onclick="return false"> B |</a> 
    <a class="searchbychar" href="#" id="#C" onclick="return false"> C |</a> 
    ... Untill Z
</div>

<div id="0-9">
    <p>some content</p>
</div>

<div id="A">
    <p>some content</p>
</div>

<div id="B">
    <p>some content</p>
</div>

<div id="C">
    <p>some content</p>
</div>

... Untill Z

JQuery

What i want the code to do is: On click event of an .searchbychar A TAG > Take the ID attributes value and scroll to that...

$( '.searchbychar' ).click(function() {

    $('html, body').animate({
        scrollTop: $('.searchbychar').attr('id').offset().top
    }, 2000);

});

Answer 1

Ids are meant to be unique, and never use an id that starts with a number, use data-attributes instead to set the target like so :

<div id="searchbycharacter">
    <a class="searchbychar" href="#" data-target="numeric">0-9 |</a> 
    <a class="searchbychar" href="#" data-target="A"> A |</a> 
    <a class="searchbychar" href="#" data-target="B"> B |</a> 
    <a class="searchbychar" href="#" data-target="C"> C |</a> 
    ... Untill Z
</div>

As for the jquery :

$(document).on('click','.searchbychar', function(event) {
    event.preventDefault();
    var target = "#" + this.getAttribute('data-target');
    $('html, body').animate({
        scrollTop: $(target).offset().top
    }, 2000);
});

Answer 2

You can do this:

$('.searchbychar').click(function () {
    var divID = '#' + this.id;
    $('html, body').animate({
        scrollTop: $(divID).offset().top
    }, 2000);
});

FYI

• You need to prefix a class name with a . ( dot ) like in your first line of code.
• $( 'searchbychar' ).click(function() {
• Also, your code $('.searchbychar').attr('id') will return a string ID not a jQuery object. Hence, you can not apply .offset() method to it.

Answer 3

Here is my solution:

<!-- jquery smooth scroll to id's -->   
<script>
$(function() {
  $('a[href*=\\#]:not([href=\\#])').click(function() {
    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) {
        $('html,body').animate({
          scrollTop: target.offset().top
        }, 500);
        return false;
      }
    }
  });
});
</script>

With just this snippet you can use an unlimited number of hash-links and corresponding ids without having to execute a new script for each.

I already explained how it works in another thread here: https://stackoverflow.com/a/28631803/4566435 (or here's a direct link to my blog post )

For clarifications, let me know. Hope it helps!