62 lines
2.1 KiB
Markdown
62 lines
2.1 KiB
Markdown
## Usage with Javascript
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You can do a whole bunch of other stuff with animate.css when you combine it with Javascript. A simple example:
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```javascript
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const element = document.querySelector('.my-element');
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element.classList.add('animate__animated', 'animate__bounceOutLeft');
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```
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You can detect when an animation ends:
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```javascript
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const element = document.querySelector('.my-element');
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element.classList.add('animate__animated', 'animate__bounceOutLeft');
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element.addEventListener('animationend', () => {
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// do something
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});
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```
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or change its duration:
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```javascript
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const element = document.querySelector('.my-element');
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element.style.setProperty('--animate-duration', '0.5s');
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```
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You can also use a simple function to add the animations classes and remove them automatically:
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```javascript
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const animateCSS = (element, animation, prefix = 'animate__') =>
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// We create a Promise and return it
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new Promise((resolve, reject) => {
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const animationName = `${prefix}${animation}`;
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const node = document.querySelector(element);
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node.classList.add(`${prefix}animated`, animationName);
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// When the animation ends, we clean the classes and resolve the Promise
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function handleAnimationEnd(event) {
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event.stopPropagation();
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node.classList.remove(`${prefix}animated`, animationName);
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resolve('Animation ended');
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}
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node.addEventListener('animationend', handleAnimationEnd, {once: true});
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});
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```
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And use it like this:
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```javascript
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animateCSS('.my-element', 'bounce');
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// or
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animateCSS('.my-element', 'bounce').then((message) => {
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// Do something after the animation
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});
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```
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If you had a hard time understanding the previous function, have a look at [const](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/const), [classList](https://developer.mozilla.org/en-US/docs/Web/API/Element/classList), [arrow functions](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Functions/Arrow_functions), and [Promises](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise).
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