Animation through JavaScript

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Animation through JavaScript
Animation through JavaScript

Animation through JavaScript

In the previous topic, we had talked about CSS Animation but in this, we are going to talk about animation through JavaScript. JavaScript is a scripting language JavaScript animations can handle things that CSS can’t. Learn Animation from Easyshiksha and you can learn basic HTML through this Easyshiksha Courses

An animation can be implemented as a sequence of frames – usually small changes to HTML/CSS properties.

For instance, changing style.left from 0px to 100px moves the element. And if we increase it in setInterval, changing by 2px with a tiny delay, like 50 times per second, then it looks smooth.

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JavaScript animations are done by programming gradual changes in an element’s style.  The changes are called by a timer. When the timer interval is small, the animation looks continuous.

The basic code is:

Let’s take an example of creating animation through JavaScript:

function myMove() {

var ele = document.getElementById(“First Animation”);

var pos = 0;

var id = setInterval(frame, 10);

function frame() {

if (pos == 350) {

clearInterval(id);

} else {

pos++;

ele.style.top = pos + ‘px’;

ele.style.left = pos + ‘px’;

}

}

}

There are different frames in JavaScript animation

request animation Frame

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If your animation is running simultaneously.  There’s a specification animation Timing that provides the function requestAnimationFrame. It addresses all these issues and even more. That schedules the callback function to run in the closest time when the browser wants to do animation.

Structures Animation Now we can make a more universal animation function based on requestAnimationFrame: Animate function can accept 3 parameters duration, timing(timeFraction), draw(progress)

Timing Function movement animation with different timing functions to see how they work. If we want to speed up the animation, we can use progress in the power n. The arc, Back: bow shooting, Elastic Animation.

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Frequently Asked Questions

Reversal Sometimes we need to show the animation in the reverse order. That’s done with the “easeOut” transform.

Draw  Run the animated “bouncing” text typing:

I hope you understand Animation through JavaScript for more blogs like this visit EasyShiksha and HawksCode.

 

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