How to make autoscroll on overflowed list with arrow keys navigation?
0
I made arrow navigation for my list, but the problem is my list has scroll and selected item finally goes down beyond the limits of my container. It would be perfect if my container's scroll was going down with the selected item. Can somebody hint me how to solve this?
$(function()
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected');
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected');
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul>javascript jquery
asked Nov 12 at 12:15
alexander rodin
166
add a comment |
0
I made arrow navigation for my list, but the problem is my list has scroll and selected item finally goes down beyond the limits of my container. It would be perfect if my container's scroll was going down with the selected item. Can somebody hint me how to solve this?
$(function()
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected');
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected');
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul>javascript jquery
asked Nov 12 at 12:15
alexander rodin
166
add a comment |
0
0
0
I made arrow navigation for my list, but the problem is my list has scroll and selected item finally goes down beyond the limits of my container. It would be perfect if my container's scroll was going down with the selected item. Can somebody hint me how to solve this?
$(function()
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected');
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected');
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul>javascript jquery
asked Nov 12 at 12:15
alexander rodin
166
I made arrow navigation for my list, but the problem is my list has scroll and selected item finally goes down beyond the limits of my container. It would be perfect if my container's scroll was going down with the selected item. Can somebody hint me how to solve this?
$(function()
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected');
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected');
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul> $(function()
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected');
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected');
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul> $(function()
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected');
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected');
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul>javascript jquery
javascript jquery
asked Nov 12 at 12:15
alexander rodin
166
asked Nov 12 at 12:15
alexander rodin
166
asked Nov 12 at 12:15
alexander rodin
166
asked Nov 12 at 12:15
alexander rodin
166
asked Nov 12 at 12:15
alexander rodin
166
166
add a comment |
add a comment |
2 Answers
2
active
oldest
votes
0
$(function()
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected');
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected');
//scroll to element:
$("ul").scrollTop(0);//set to top
$("ul").scrollTop($('li.selected').offset().top - $('li.selected').height());
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul>You can try above snippet. To set the scroll to the selected li element.
answered Nov 12 at 12:30
Smit Raval
2,9841420
add a comment |
0
You can also add tabindex to all list items. Give focus to selected element. That should solve your problem.
$(function()
$('li').attr('tabindex', 0);
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected')
.focus();
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected')
.focus();
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul>answered Nov 12 at 13:44
Lars-Kristian Johansen
1059
add a comment |
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2 Answers
2
active
oldest
votes
2 Answers
2
active
oldest
votes
active
oldest
votes
active
oldest
votes
0
$(function()
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected');
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected');
//scroll to element:
$("ul").scrollTop(0);//set to top
$("ul").scrollTop($('li.selected').offset().top - $('li.selected').height());
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul>You can try above snippet. To set the scroll to the selected li element.
answered Nov 12 at 12:30
Smit Raval
2,9841420
add a comment |
0
$(function()
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected');
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected');
//scroll to element:
$("ul").scrollTop(0);//set to top
$("ul").scrollTop($('li.selected').offset().top - $('li.selected').height());
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul>You can try above snippet. To set the scroll to the selected li element.
answered Nov 12 at 12:30
Smit Raval
2,9841420
add a comment |
0
0
0
$(function()
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected');
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected');
//scroll to element:
$("ul").scrollTop(0);//set to top
$("ul").scrollTop($('li.selected').offset().top - $('li.selected').height());
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul>You can try above snippet. To set the scroll to the selected li element.
answered Nov 12 at 12:30
Smit Raval
2,9841420
$(function()
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected');
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected');
//scroll to element:
$("ul").scrollTop(0);//set to top
$("ul").scrollTop($('li.selected').offset().top - $('li.selected').height());
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul>You can try above snippet. To set the scroll to the selected li element.
$(function()
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected');
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected');
//scroll to element:
$("ul").scrollTop(0);//set to top
$("ul").scrollTop($('li.selected').offset().top - $('li.selected').height());
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul> $(function()
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected');
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected');
//scroll to element:
$("ul").scrollTop(0);//set to top
$("ul").scrollTop($('li.selected').offset().top - $('li.selected').height());
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul>answered Nov 12 at 12:30
Smit Raval
2,9841420
answered Nov 12 at 12:30
Smit Raval
2,9841420
answered Nov 12 at 12:30
Smit Raval
2,9841420
answered Nov 12 at 12:30
Smit Raval
2,9841420
2,9841420
add a comment |
add a comment |
0
You can also add tabindex to all list items. Give focus to selected element. That should solve your problem.
$(function()
$('li').attr('tabindex', 0);
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected')
.focus();
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected')
.focus();
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul>answered Nov 12 at 13:44
Lars-Kristian Johansen
1059
add a comment |
0
You can also add tabindex to all list items. Give focus to selected element. That should solve your problem.
$(function()
$('li').attr('tabindex', 0);
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected')
.focus();
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected')
.focus();
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul>answered Nov 12 at 13:44
Lars-Kristian Johansen
1059
add a comment |
0
0
0
You can also add tabindex to all list items. Give focus to selected element. That should solve your problem.
$(function()
$('li').attr('tabindex', 0);
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected')
.focus();
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected')
.focus();
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul>answered Nov 12 at 13:44
Lars-Kristian Johansen
1059
You can also add tabindex to all list items. Give focus to selected element. That should solve your problem.
$(function()
$('li').attr('tabindex', 0);
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected')
.focus();
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected')
.focus();
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul>$(function()
$('li').attr('tabindex', 0);
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected')
.focus();
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected')
.focus();
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul>$(function()
$('li').attr('tabindex', 0);
$(document).on('keydown', function(e)
switch (e.which)
case 40:
e.preventDefault();
$('li:not(:last-child).selected').removeClass('selected')
.next()
.addClass('selected')
.focus();
break;
case 38:
e.preventDefault();
$('li:not(:first-child).selected').removeClass('selected')
.prev()
.addClass('selected')
.focus();
)
)ul
padding: 0;
list-style: none;
max-height: 100px;
overflow: scroll;
li.selected
background-color: orange;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<ul>
<li class="selected">item #1</li>
<li>item #2</li>
<li>item #3</li>
<li>item #4</li>
<li>item #5</li>
<li>item #6</li>
<li>item #7</li>
<li>item #8</li>
<li>item #9</li>
<li>item #10</li>
<li>item #11</li>
</ul>answered Nov 12 at 13:44
Lars-Kristian Johansen
1059
answered Nov 12 at 13:44
Lars-Kristian Johansen
1059
answered Nov 12 at 13:44
Lars-Kristian Johansen
1059
answered Nov 12 at 13:44
Lars-Kristian Johansen
1059
1059
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