transition-delay

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åå§å¼	`0s`
éç¨åç´	all elements, `::before` and `::after` pseudo-elements
æ¯å¦æ¯ç»§æ¿å±æ§	å¦
è®¡ç®å¼	as specified
å¨ç»ç±»å	Not animatable

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css

/* <time>?å¼ */
transition-delay: 3s;
transition-delay: 2s, 4ms;

/* å¨å±åé */
transition-delay: inherit;
transition-delay: initial;
transition-delay: unset;

åå¼

<time>: è¡¨æå¨ç»ææå±æ§çæä¹åéè¦çå¾çæ¶é´ã

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transition-delay = 
  <time>#

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HTML

html

<div class="box delay-1">0.5 ç§</div>

<div class="box delay-2">2 ç§</div>

<div class="box delay-3">4 ç§</div>

<button id="change">åæ¢</button>

CSS

css

.box {
  margin: 20px;
  padding: 10px;
  display: inline-block;
  width: 100px;
  height: 100px;
  background-color: red;
  font-size: 18px;
  transition-property: background-color, font-size, transform, color;
  transition-timing-function: ease-in-out;
  transition-duration: 3s;
}

.transformed-state {
  transform: rotate(270deg);
  background-color: blue;
  color: yellow;
  font-size: 12px;
  transition-property: background-color, font-size, transform, color;
  transition-timing-function: ease-in-out;
  transition-duration: 3s;
}

.delay-1 {
  transition-delay: 0.5s;
}

.delay-2 {
  transition-delay: 2s;
}

.delay-3 {
  transition-delay: 4s;
}

JavaScript

function change() {
  const elements = document.querySelectorAll("div.box");
  for (const element of elements) {
    element.classList.toggle("transformed-state");
  }
}

const changeButton = document.querySelector("#change");
changeButton.addEventListener("click", change);