How to prevent transition-delay when reversd
Question
I have a <div> , I want to double its width and height when hover .
But I want the width to be transitioned first and then height .
And when reversing (mouse moved out), I want the height to be transitioned first, then height .
(Just an epitome of complex transitions, to demonstrate the issue)
.box { background-color: pink; width: 100px; height: 100px; transition: width 1s 1s, height 1s 0s; }.box:hover { width: 200px; height: 200px; transition-delay: 0s, 1s; }
<.DOCTYPE html> <html lang="en"> <head> <title>Home</title> <meta charset="UTF-8" /> <meta name="viewport" content="width=device-width" /> <link rel="stylesheet" href="styles.css" /> <script type="module" src="script.js"></script> </head> <body> <div class="box"></div> </body> </html>
In the example above, if I remove the mouse when transitioning height , everything is OK.
But if I remove the mouse when transitioning width , I have to wait 1s which is the transition-duration of height part (actually because of the transition-delay ) before the reverse transition of width starts, which leads to awful result when the transition queue is complex.
Vice versa, if I hover the element again when transitioning height backwards, I have to wait for 1s until I can see height animating, because of the 1s delay. I'm expecting to see width transitioning backwards immediately after I remove the mouse.
Here is an example of a complex transition queue: CSS Gradient neon button with hover effect
Is there any way to prevent the problem just by CSS transitions?
1 answers
solution1
0 2022-09-01 00:53:56
One trick is to avoid transition-delay by playing with max-width and min-height so both width and height will run at the same time.
You make the width go to 400px but with a max-width of 200px and height should start at 0 with a min-height of 100px . Like that each property will get blocked at half the transition which will simulate the delay:
.box { background-color: pink; width: 100px; height: 0; max-width: 200px; min-height: 100px; transition: 2s; }.box:hover { width: 400px; height: 200px; }
<div class="box"></div>
solution2
-1 2022-09-01 00:53:46
<script>
function bigImg(x) {
x.style.height = "200px";
x.style.width = "200px";
}
function normalImg(x) {
x.style.height = "100px";
x.style.width = "100px";
}
</script>
<div class="box" onmouseover="bigImg(this)" onmouseout="normalImg(this)"></div>
and then simply remove the .box:hover css completely
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