JSON and Lottie animation

JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write and for machines to parse and generate. One of the lesser-known uses of JSON is for creating animations. JSON animations provide an alternative to traditional animation methods and have the potential to offer more flexibility and interactivity.

JSON animations are essentially a series of JSON objects that define the properties of an animation. These properties can include the animation duration, easing function, delay, and the values of various CSS properties that are being animated. The objects are typically organized into an array, which defines the sequence of animations.

One advantage of using JSON animations is that they can be easily generated using JavaScript. This means they can be dynamically created and modified based on user interactions or other events. This allows for more interactivity and customization than traditional animations, which are typically pre-defined.

Another advantage of JSON animations is that they can be easily reused and shared between different projects. Because the animations are defined using a standard format, they can be easily imported and exported between different applications and platforms.

To create a simple JSON animation, you would first define the sequence of animations you want to create. For example, you might want to animate the background color of a button from blue to red, and then back to blue again. You would then define the properties of each animation, including the duration, easing function, and the values of the CSS properties you want to animate.

Here is an example of a simple JSON animation that animates the background colour of a button:

css

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[ { "selector": ".button", "duration": 1000, "easing": "easeInOutQuad", "delay": 0, "properties": { "background-color": "#00f" } }, { "selector": ".button", "duration": 1000, "easing": "easeInOutQuad", "delay": 1000, "properties": { "background-color": "#f00" } }, { "selector": ".button", "duration": 1000, "easing": "easeInOutQuad", "delay": 2000, "properties": { "background-color": "#00f" } }]         

This animation defines three keyframes, each with a duration of one second and an easing function of easeInOutQuad. The first keyframe sets the background colour to blue, the second keyframe sets it to red, and the third keyframe sets it back to blue.

To use this animation in your project, you would first import the JSON data and then use a JavaScript library like anime.js to parse and execute the animation. Here is an example of how you might use this animation with anime.js:

js

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import anime from 'animejs'; const button = document.querySelector('.button'); const animation = [ { selector: '.button', duration: 1000, easing: 'easeInOutQuad', delay: 0, properties: { 'background-color': '#00f', }, }, { selector: '.button', duration: 1000, easing: 'easeInOutQuad', delay: 1000, properties: { 'background-color': '#f00', }, }, { selector: '.button', duration: 1000, easing: 'easeInOutQuad', delay: 2000, properties: { 'background-color': '#00f', }, }, ]; anime(animation);         

This code would execute the animation on the button with the class .button.

In conclusion, JSON

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