Scroll issue on .animate() and .prop()? - javascript

I have two divs with same class. If I scroll one div the other divs scroll comes to 0. I am able to achieve this with .prop() property easily. But when I use .animate() the occurrence just happens once and then it stops working(Commented the code in my example snippet) . What I want is the scroll when comes to zero should animate i.e the scroll comes to 0 with a animation like its showing with .animate().
Note: Classes of divs will be same and there can be more divs too.
Here is the code I have tried, please tell me where I am wrong.
$(document).ready(function() {
$('.swipe_div').scroll(function() {
// $(this).siblings(".swipe_div").animate({scrollLeft: 0},100);
$(this).siblings(".swipe_div").prop({
scrollLeft: 0
});
});
});
body,
html {
width: 100%;
height: 100%;
background-color: green;
padding: 0;
margin: 0;
}
.swipe_div {
display: block;
float: left;
width: 100%;
height: 100px;
overflow-x: scroll;
background-color: white;
}
.content,
.operation,
.swipe_container {
display: block;
float: left;
height: 100%;
}
.swipe_container {
width: 150%;
}
.content {
display: flex;
align-items: center;
justify-content: flex-end;
flex-direction: row;
text-align: right;
font-size: 30pt;
width: 67%;
background-color: grey;
}
.operation {
width: 33%;
background-color: red;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="swipe_div">
<div class="swipe_container">
<div class="content">
>
</div>
<div class="operation">
</div>
</div>
</div>
<div class="swipe_div">
<div class="swipe_container">
<div class="content">
>
</div>
<div class="operation">
</div>
</div>
</div>

When you're animating scrollLeft you're activating scroll() on the sibling, which is trying to animate scroll on the div you're actively scrolling. So you need to mark when you start scrolling and throttle() all subsequent calls on scroll() until you're done scrolling.
trailing:true calls it one more time after it hasn't been called for throttle_interval (250 in this example), turning scrolling marker back to false:
$(document).ready(function() {
var scrolling;
$('.swipe_div').scroll(_.throttle(function() {
if (!scrolling) {
scrolling = true;
$(this).siblings(".swipe_div").animate({scrollLeft: 0},150);
} else {
scrolling = false;
}
}, 250, {leading:true,trailing:true}));
});
body,
html {
width: 100%;
height: 100%;
background-color: green;
padding: 0;
margin: 0;
}
.swipe_div {
display: block;
float: left;
width: 100%;
height: 100px;
overflow-x: scroll;
background-color: white;
}
.content,
.operation,
.swipe_container {
display: block;
float: left;
height: 100%;
}
.swipe_container {
width: 150%;
}
.content {
display: flex;
align-items: center;
justify-content: flex-end;
flex-direction: row;
text-align: right;
font-size: 30pt;
width: 67%;
background-color: grey;
}
.operation {
width: 33%;
background-color: red;
}
<script src="https://cdn.jsdelivr.net/lodash/4.17.4/lodash.min.js"></script>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="swipe_div">
<div class="swipe_container">
<div class="content">
>
</div>
<div class="operation">
</div>
</div>
</div>
<div class="swipe_div">
<div class="swipe_container">
<div class="content">
>
</div>
<div class="operation">
</div>
</div>
</div>
I tested it for a bit and actually discovered a small glitch/limitation: the throttle interval has to be smaller than the animation time. If it is not, the animation will outlast the throttle interval and trigger, in turn, the closing animation for the original scrolled element.
But this is web (impossible is nothing): if and when your animation has to be longer than the throttle interval, you will have to mark the initial element with a class that will exclude it from being animated. The class will be removed using a timeout on completion of animate, equal to the throttle interval:
$(document).ready(function() {
var scrolling;
$('.swipe_div').scroll(_.throttle(function() {
if (!scrolling) {
scrolling = true;
$(this).addClass('original');
$(this).siblings(".swipe_div:not(.original)").animate(
{scrollLeft:0},
250,
function(){
setTimeout(function() {
$('.swipe_div').removeClass('original')
}, 150)
}
);
} else {
scrolling = false;
}
}, 150, {leading:true,trailing:true}));
});

Related

position sticky using javascript makes div goes outside the parent

I have a menu on the left that I want to be always sticky, I'm using javascript for that for IE11 support.
The problem I'm having is that the right div goes to the left when it's sticky and doesn't keep it's position, the second issue is that the .content div width grows when the right div is sticky.
For the javascript part, I don't know how to make the right div to stop when it reaches the footer.
EDIT:
I managed to solve the second issue, the code is updated, I also tried to add a right value for the right div so it sticks in its initial vertical position, but that's not working because it changes when the screen gets resized.
How can I solve this?
Edit 2:
For the javascript issue I found this post which helped me resolve my issue:
Make sticky/fixed element stop at footer
var sticky = document.getElementsByClassName("sticky-element")[0];
var stickyAnchor = sticky.parentNode;
var state = false;
function getAnchorOffset() {
return stickyAnchor.getBoundingClientRect().top;
}
updateSticky = function (e) {
if (!state && (getAnchorOffset() < 0)) {
sticky.classList.add("is-sticky");
sticky.parentElement.classList.add("has-sticky");
state = true;
} else if (state && (getAnchorOffset() >=0 )) {
sticky.classList.remove("is-sticky");
sticky.parentElement.classList.remove("has-sticky");
state = false;
}
}
window.addEventListener('scroll', updateSticky);
window.addEventListener('resize', updateSticky);
updateSticky();
.main-wrapper {
margin: 48px 48px 0 48px;
max-width: 1366px;
}
.wrapper {
width: 100%;
display: flex;
justify-content: space-between;
position: relative;
}
.wrapper.has-sticky .content{
margin-right: calc(199px + 72px);
}
.content {
flex: 0 1 1040px;
width: calc(1040px - 72px);
min-width: 1%;
margin-right: 72px;
height: 1200px;
background-color: #e6e9f0;
}
.nav-menu {
position: static;
flex: 0 1 199px;
width: 199px;
min-width: 199px;
color: white;
height: 300px;
background-color: #04246a;
right: 10%;
}
footer {
background-color: yellow;
height: 300px;
margin-top: 50px;
}
.is-sticky {
top: 0;
position: fixed;
}
<div class="main-wrapper">
<div class="wrapper">
<div class="content">
Main content
</div>
<div class="nav-menu sticky-element">
<nav>
Side content
</nav>
</div>
</div>
<footer>
Footer content
</footer>
</div>
Are you looking for this?
The problem on your code is that whenever you set the position of your right div to fixed it then looks for its relative parent and jumps to the upper left position inside the parent. In your case, the parent div was the .wrapper, that's why it keeps on jumping to the left side and overlaps your main content div.
I added a parent container for the .nav-menu so it will still be in the same position when scrolling. With this, your .nav-menu element won't be using the .wrapper as its main parent. This will create a smooth scroll without noticing any change in position.
Happy coding!
var sticky = document.getElementsByClassName('sticky-element')[0];
var stickyAnchor = sticky.parentNode;
var state = false;
function getAnchorOffset() {
return stickyAnchor.getBoundingClientRect().top;
}
updateSticky = function (e) {
if (!state && getAnchorOffset() < 0) {
sticky.classList.add('is-sticky');
state = true;
} else if (state && getAnchorOffset() >= 0) {
sticky.classList.remove('is-sticky');
state = false;
}
};
window.addEventListener('scroll', updateSticky);
window.addEventListener('resize', updateSticky);
updateSticky();
.main-wrapper {
margin: 48px 48px 0 48px;
max-width: 80%;
}
.wrapper {
width: 100%;
display: flex;
justify-content: space-between;
position: relative;
}
.content {
flex: 0 1 80%;
width: calc(80% - 24px);
min-width: 1%;
margin-right: 24px;
height: 1200px;
background-color: #e6e9f0;
}
.nav-container {
flex-grow: 1;
width: 20%;
min-width: 200px;
position: relative;
display: block;
}
.nav-menu {
color: white;
width: 100%;
min-width: inherit;
height: 300px;
background-color: #04246a;
}
.is-sticky {
top: 0;
position: fixed;
width: calc(20% - 97px);
}
<div class="main-wrapper">
<div class="wrapper">
<div class="content">Main content</div>
<div class="nav-container">
<div class="nav-menu sticky-element">
<nav>Side content</nav>
</div>
</div>
</div>
</div>
var sticky = document.getElementsByClassName("sticky-element")[0];
var stickyAnchor = sticky.parentNode;
var state = false;
function getAnchorOffset() {
return stickyAnchor.getBoundingClientRect().top;
}
updateSticky = function (e) {
if (!state && (getAnchorOffset() < 0)) {
sticky.classList.add("is-sticky");
state = true;
} else if (state && (getAnchorOffset() >=0 )) {
sticky.classList.remove("is-sticky");
state = false;
}
}
window.addEventListener('scroll', updateSticky);
window.addEventListener('resize', updateSticky);
updateSticky();
.main-wrapper {
margin: 48px 48px 0 48px;
max-width: 80%;
}
.wrapper {
width: 100%;
display: flex;
justify-content: space-between;
position: relative;
}
.content {
flex: 0 1 80%;
width: calc(80% - 24px);
min-width: 1%;
margin-right: 24px;
height: 1200px;
background-color: #e6e9f0;
}
.nav-menu {
position: static;
flex: 0 1 20%;
width: 20%;
min-width: 20%;
color: white;
height: 300px;
background-color: #04246a;
}
.is-sticky {
top: 0;
right:5%;
position: fixed;
}
<div class="main-wrapper">
<div class="wrapper">
<div class="content">
Main content
</div>
<div class="nav-menu sticky-element">
<nav>
Side content
</nav>
</div>
</div>
</div>

How can I trigger on mouse movement Variable font in different section?

I was looking to trigger different sections with a variable font based on my mouse movement.
For the first section, everything looks great, but when I tried to trigger the second section, it does not work as I expected since is connected to the first one I guess.
I would need to make the section working independently and in the correct way (to have an idea see section one how react in debug mode)
I was wondering what I have to modify in my Javascript code to make my snippet work with all the sections I want, working independently with their respective variable font interaction. Any ideas?
$('.square').on('mousemove', function(e) {
var x = e.pageX - $(this).offset().left;
var y = e.pageY;
var $tlSquare = $('.division--top.division--left');
var $trSquare = $('.division--top.division--right');
var $blSquare = $('.division--bottom.division--left');
var $brSquare = $('.division--bottom.division--right');
var squareWidth = $(this).width(),
squareHeight = $(this).height();
$tlSquare.width(x).height(y);
$trSquare.width(squareWidth - x).height(y);
$blSquare.width(x).height(squareHeight - y);
$brSquare.width(squareWidth - x).height(squareHeight - y);
stretchLetter(false);
});
stretchLetter(false);
$('.square').on('mouseleave', function() {
$('.division').width('50%').height('50%');
$('.letter').css('transform', '');
stretchLetter(false);
});
function stretchLetter(animation) {
$('.letter').each(function() {
var parentWidth = $(this).parent().width();
var parentHeight = $(this).parent().height();
var thisWidth = $(this).width();
var thisHeight = $(this).height();
var widthPercent = parentWidth / thisWidth;
var heightPercent = parentHeight / thisHeight;
var timing = animation == true ? .5 : 0;
TweenMax.to($(this), timing, {
scaleX: widthPercent,
scaleY: heightPercent
})
//$(this).css('transform', 'scalex('+ widthPercent +') scaley('+ heightPercent +')');
});
}
body,
html {
margin: 0;
padding: 0;
font-weight: bold;
font-family: helvetica;
}
section {
height: 200px;
background: blue;
color: white;
font-size: 28px;
}
.wrapper {
display: flex;
justify-content: center;
/*justify-content: flex-end;*/
width: 100%;
height: 100vh;
//background-color: blue;
overflow: hidden;
}
.square {
display: flex;
flex-wrap: wrap;
width: 100vh;
height: 100vh;
background-color: black;
}
.square-2 {
display: flex;
flex-wrap: wrap;
width: 100vh;
height: 100vh;
background-color: yellow;
}
.division {
//display: flex;
//align-items: center;
//justify-content: center;
width: 50%;
height: 50%;
//background-color: red;
//border: 1px solid white;
box-sizing: border-box;
}
.letter {
cursor: -webkit-grab;
cursor: grab;
}
.letter {
display: inline-block;
font-size: 50vh;
margin: 0;
padding: 0;
line-height: .8;
transform-origin: top left;
color: white;
}
/* .division:nth-child(1){
background-color: blue;
}
.division:nth-child(2){
background-color: red;
}
.division:nth-child(3){
background-color: green;
}
.division:nth-child(4){
background-color: orange;
} */
.circle {
width: 100%;
height: 100%;
border-radius: 50%;
border: 1px solid white;
background-color: blue;
box-sizing: border-box;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<section>SECTION-01</section>
<main>
<div class="wrapper">
<div class="square">
<div class="division division--top division--left">
<div class="letter">L</div>
</div>
<div class="division division--top division--right">
<div class="letter">A</div>
</div>
<div class="division division--bottom division--left">
<div class="letter">S</div>
</div>
<div class="division division--bottom division--right">
<div class="letter">T</div>
</div>
</div>
</main>
<section>SECTION-02</section>
<div class="wrapper">
<div class="square">
<div class="division division--top division--left">
<div class="letter">F</div>
</div>
<div class="division division--top division--right">
<div class="letter">A</div>
</div>
<div class="division division--bottom division--left">
<div class="letter">S</div>
</div>
<div class="division division--bottom division--right">
<div class="letter">T</div>
</div>
</div>
</main>
<script src="https://cdnjs.cloudflare.com/ajax/libs/gsap/2.0.2/TweenMax.min.js"></script>
https://jsfiddle.net/CAT999/ohaf61qp/5/
See working FIDDLE
You had to change the y variable because you were calculating with the offset top of the mouse position inn the document. This is always bigger than the element, so you have to extract the offset top of the element you were scrolling on, to get the right value.
var y = e.pageY - $(this).offset().top;

jQuery/JavaScript if statement for two toggles

I have two toggles (toggle-1 and toggle-2) with different contents in a header. I would like to prevent the user to have both toggles active simultaneously (otherwise they overlap).
In the code below I tried to use if statements to hide one of the toggles if the other is already opened but it does not work.
Ideally, what I would like to happen is that if toggle-1 is active and the user clicks on toggle-2, then toggle-1 would come back to its original state and toggle-2 would be now active. The same the other way around.
I am not familiar with JavaScript yet and I'd really appreciate if you could tell me what I have done wrong and how it should be done to have my ideal result
Here's the link to my CodePen if you find it easier:
https://codepen.io/fergos2/pen/NWWxgEp
var myToggle
var oneToggle = $(document).ready(function() {
$('.toggle-1').click(function() {
$('.toggle-1').toggleClass('active')
$('.toggle-1-content').toggleClass('active')
})
})
var twoToggle = $(document).ready(function() {
$('.toggle-2').click(function() {
$('.toggle-2').toggleClass('active')
$('.toggle-2-content').toggleClass('active')
})
})
if (myToggle == oneToggle) {
$(document).ready(function() {
$('toggle-2-content').hide();
})
} else if (myToggle == twoToggle) {
$('toggle-1-content').hide();
}
.container {
width: 100%;
height: 1000px;
margin: 0 auto;
background-color: #eee;
}
.wrapper {
background-color: pink;
position: relative;
display: flex;
align-items: center;
}
.toggle-1,
.toggle-2 {
display: block;
width: 20px;
height: 20px;
float: left;
cursor: pointer;
color: white;
text-align: center;
background-color: green;
margin: 10px;
}
.toggle-1.active,
.toggle-2.active {
background-color: red;
}
.toggle-1-content,
.toggle-2-content {
display: none;
}
.toggle-1-content.active,
.toggle-2-content.active {
display: block;
background-color: white;
border: 1px solid black;
position: absolute;
top: 40px;
}
.toggle-1-content.active {
left: 0;
}
.toggle-2-content.active {
left: 50px;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="container">
<div class="wrapper">
<div class="toggle-1">1</div>
<div class="toggle-1-content">
<p>Some content 1</p>
</div>
<div class="toggle-2">2</div>
<div class="toggle-2-content">
<p>Some content 2</p>
</div>
</div>
</div>
Several issues.
Please study the code below
too many $(document.ready... and no need to store the result of such a statement
Using a data-attribute and a common class, shortens the code a lot. DRY Don't repeat yourself
I simplified the content containers CSS too
$(function() { // on page load
$('.toggle').on("click", function() { // any of the toggles
const $wrapper = $(this).closest(".wrapper");
const id = $(this).data("id");
$(this).toggleClass('active'); // toggle clicked div
const show = $(this).is(".active"); // is it active after we toggled?
$wrapper
.find(".toggle") // find all toggles
.not(this) // exclude the one we clicked
.removeClass("active"); // remove class
$wrapper.find(".content").hide(); // hide any content divs
$("#" + id).toggle(show); // show the one belonging to the clicked toggle
})
})
.container {
width: 100%;
height: 1000px;
margin: 0 auto;
background-color: #eee;
}
.wrapper {
background-color: pink;
position: relative;
display: flex;
align-items: center;
}
.toggle {
display: block;
width: 20px;
height: 20px;
float: left;
cursor: pointer;
color: white;
text-align: center;
background-color: green;
margin: 10px;
}
.active {
background-color: red;
}
.content {
display: none;
background-color: white;
border: 1px solid black;
position: absolute;
top: 40px;
}
#div1 {
left: 0;
}
#div2 {
left: 50px;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="container">
<div class="wrapper">
<div class="toggle" data-id="div1">1</div>
<div id="div1" class="content">
<p>Some content 1</p>
</div>
<div class="toggle" data-id="div2">2</div>
<div id="div2" class="content">
<p>Some content 2</p>
</div>
</div>
</div>
Working code:
$(document).ready(function() {
$('.toggle-1').click(function() {
if ($('.toggle-2').hasClass('active')) {
// remove toggle-2 active classes
$('.toggle-2').removeClass('active');
$('.toggle-2-content').removeClass('active');
}
$('.toggle-1').toggleClass('active');
$('.toggle-1-content').toggleClass('active');
});
$('.toggle-2').click(function() {
if ($('.toggle-1').hasClass('active')) {
// remove toggle-1 active classes
$('.toggle-1').removeClass('active');
$('.toggle-1-content').removeClass('active');
}
$('.toggle-2').toggleClass('active');
$('.toggle-2-content').toggleClass('active');
});
});
Here is the link to my working version.
A few things to keep in mind:
You don't need to call $(document).ready() multiple times. There's just no reason to call it multiple times on a single page as the event is only fired once.
You need to keep track of state somehow; hence the if ($('el').hasClass('classname')) syntax. Once you handle that properly, it's easy to ensure that each element is 'reset' to its original state when the other is clicked.
Hope that helps!
toggleClass accepts a second boolean parameter that forces the type of toggle, on or off. More than that you can also target multiple elements with a single jQuery call, so use that to your advantage since the classes applied have the same name.
So you could simplify your code to
$(document).ready(function() {
$('.toggle-1').click(function() {
$('.toggle-1, .toggle-1-content').toggleClass('active');
$('.toggle-2, .toggle-2-content').toggleClass('active', false)
})
$('.toggle-2').click(function() {
$('.toggle-2, .toggle-2-content').toggleClass('active');
$('.toggle-1, .toggle-1-content').toggleClass('active', false)
})
})
.container {
width: 100%;
height: 1000px;
margin: 0 auto;
background-color: #eee;
}
.wrapper {
background-color: pink;
position: relative;
display: flex;
align-items: center;
}
.toggle-1,
.toggle-2 {
display: block;
width: 20px;
height: 20px;
float: left;
cursor: pointer;
color: white;
text-align: center;
background-color: green;
margin: 10px;
}
.toggle-1.active,
.toggle-2.active {
background-color: red;
}
.toggle-1-content,
.toggle-2-content {
display: none;
}
.toggle-1-content.active,
.toggle-2-content.active {
display: block;
background-color: white;
border: 1px solid black;
position: absolute;
top: 40px;
}
.toggle-1-content.active {
left: 0;
}
.toggle-2-content.active {
left: 50px;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="container">
<div class="wrapper">
<div class="toggle-1">1</div>
<div class="toggle-1-content">
<p>Some content 1</p>
</div>
<div class="toggle-2">2</div>
<div class="toggle-2-content">
<p>Some content 2</p>
</div>
</div>
</div>
You can use the method "removeClass" to remove the active class from the other toggle
var oneToggle = $(document).ready(function() {
$(".toggle-1").click(function() {
$(".toggle-1").toggleClass("active")
$(".toggle-1-content").toggleClass("active")
$(".toggle-2").removeClass("active")
$(".toggle-2-content").removeClass("active")
})
})
var twoToggle = $(document).ready(function() {
$(".toggle-2").click(function() {
$(".toggle-1").removeClass("active")
$(".toggle-1-content").removeClass("active")
$(".toggle-2").toggleClass("active")
$(".toggle-2-content").toggleClass("active")
})
})

How to wrap then unwrap div when resizing?

I've tried if else statements and it should be fairly simple but I cant seem to reverse the wrap after resizing above 650px.
Basically, I'm trying to get the boxes wrapped in a div when window is below 650 width and then unwrapped after resizing above 650px.
How can I do that?
$(window).resize(function() {
if ($(window).width() < 650)
$('.box').wrap("<div class='boxwrap'><div/>")
});
$(window).resize(function() {
if ($(window).width() > 650)
$('.box').unwrap("<div class='boxwrap'><div/>")
});
#cat-area {
width: 100%;
display: inline-block;
text-align: center;
background-color: red;
}
#cat-container {
background-color: yellow;
width: 92.5%;
margin: 0 auto;
display: flex;
justify-content: space-between;
}
.box {
display: inline-block;
width: 20%;
height: 20%;
max-height: 300px;
max-width: 300px;
min-height: 100px;
min-width: 100px;
padding: 1%;
background-color: #d7d7d7;
}
#media only screen and (max-width: 650px) {
#cat-area {
width: 100%;
display: block;
text-align: center;
background-color: red;
}
#cat-container {
background-color: blue;
width: 92.5%;
display: block;
}
.box {
position: relative;
display: block;
margin: 4px 0px;
}
.boxwrap {
background-color: #d7d7d7;
width: 100%;
}
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div id="cat-area">
<div id="cat-container">
<img class="box" src="http://via.placeholder.com/200x200">
<img class="box" src="http://via.placeholder.com/200x200">
<img class="box" src="http://via.placeholder.com/200x200">
<img class="box" src="http://via.placeholder.com/200x200">
</div>
</div>
I have faced a similar problem to this myself. Here is a simple demonstration of how you can do this:
Note the page width initially
On resize, after a brief timeout (after resizing has stopped), note the new width
Compare the two values to determine whether we should take action or not
Reset our width for comparison to the new width, for the next time we resize
Run the following snippet, expand it to full screen, and adjust the browser size to see it working.
$(function() {
var resizeTimer;
var initialSize = $(window).width();
$(window).resize(function() {
clearTimeout(resizeTimer);
resizeTimer = setTimeout(function() {
var delayedSize = $(window).width();
// if we resize the page but we don't cross the 650 threshold, do nothing
if ((initialSize > 650 && delayedSize > 650) || (initialSize < 650 && delayedSize < 650)) {
return
}
// else if we resize the page and cross the 650 threshold, do something
else {
if (delayedSize > 650) {
$('#cat-container').unwrap('#cat-area');
} else if (delayedSize <= 650) {
$('#cat-container').wrap('<div id="cat-area"></div>');
}
}
initialSize = delayedSize;
}, 250);
});
});
#cat-area {
background-color: gold;
padding: 10px;
}
#cat-container {
background-color: slategray;
padding: 5px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="cat-area">
<div id="cat-container">
<img class="box" src="http://via.placeholder.com/200x200">
<img class="box" src="http://via.placeholder.com/200x200">
<img class="box" src="http://via.placeholder.com/200x200">
<img class="box" src="http://via.placeholder.com/200x200">
</div>
</div>

How to keep flex element's width after removing contents?

I have this flexible layout and some JS https://jsfiddle.net/7k8t3xgc/3/
<div class="window">
<div class="left">
<div class="optional">optional content</div>
</div>
<div class="right">
<div class="wordpool"></div>
<div class="category"></div>
</div>
</div>
The .wordpool element is filled with some words that need to be moved to the .category element by clicking on them.
What is happening now, is that the .window element is shrinking in width when you click the words. Is there a way to prevent this behaviour? Only way I can think of is to calculate wordpools width on render and set it into a style attribute, but it has its drawbacks with responsiveness.
I can't remove the flex functionality, because both left (optional) and right panels need to be same width and centered.
I can't use static width as it needs to be responsive.
It can't be something like .window { width: 90%; } because of short content looking silly on wide screens.
Both left and right content changes between pages in my app (think of a quiz or Google Forms - can be text, can be images, checkboxes, radiobuttons etc.) but the HTML template is the same.
As you want it to be dynamic, based on the actual text width on load, add this line to your script
$(".window").css('min-width', $(".window").width() + 'px');
Updated fiddle
Instead of monitoring the resize event for smaller screens, you can do like this instead
Note, the width: 100% needs to be set using the script, if set in CSS, the calculation will be wrong
$(".window").css({'max-width':$(".window").width() + 'px','width':'100%'});
Updated fiddle 2
Just to provide another solution, that may or not be what you want:
Don't change the elements from container, just have them on both containers, and toggle the opacity.
You can rearrange them using flexbox and order
var buttons = [{
name: "lorem"
},
{
name: "ipsum"
},
{
name: "dolor"
},
{
name: "sit"
},
{
name: "amet"
}
];
$(document).ready(function() {
for (b of buttons) {
$('.wordpool').append($("<span>", {
class: "word",
id: b.name
}).html(b.name));
$('.category').append($("<span>", {
class: "word hidden",
id: b.name
}).html(b.name));
}
$(".wordpool").on("click", "span", function() {
$(this).toggleClass('hidden');
$(".category #" + $(this).attr('id')).toggleClass('hidden');
});
$(".category").on("click", "span", function() {
$(this).toggleClass('hidden');
$(".wordpool #" + $(this).attr('id')).toggleClass('hidden');
});
$("body").on("click", ".showoptional", function() {
$(".left").toggle();
});
});
html,
body {
height: 100%;
margin: 0;
}
.wrapper {
box-sizing: border-box;
width: 100%;
height: 100%;
padding: 20px;
display: flex;
justify-content: center;
align-items: center;
background: #f4efdc;
}
.showoptional {
position: absolute;
top: 5px;
left: 5px;
}
.window {
background: #fff;
box-shadow: 0 0 10px #ccc;
display: flex;
}
.left,
.right {
padding: 20px;
flex: 1 0 0px;
}
.left {
display: none;
}
.optional {
background: #eee;
text-align: center;
padding: 50px 0;
}
.word {
display: inline-block;
margin: 2px 5px;
padding: 3px 5px;
border: 1px solid #ddd;
cursor: pointer;
}
.hidden {
opacity: 0;
order: 99;
}
.wordpool {
text-align: center;
display: flex;
}
.category {
margin-top: 10px;
border: 1px solid #ccc;
min-height: 60px;
}
.category .word {
display: block;
text-align: center;
margin: 2px;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class="wrapper">
<input type="button" class="showoptional" value="Trigger optional content" />
<div class="window">
<div class="left">
<div class="optional">optional content</div>
</div>
<div class="right">
<div class="wordpool"></div>
<div class="category"></div>
</div>
</div>
</div>

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