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...or more specifically, how are they able to create animations via javascript, which is synchronous, without holding up the next javascript statement.
It's just a curiosity. Are they using a chain of setTimeout()? If so, are they set early, each one with a slightly longer duration than the previous, and running parallel? Or are they being created through a recursive function call, therefore running in series?
Or is it something completely different?
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The animate() method performs a custom animation of a set of CSS properties. This method changes an element from one state to another with CSS styles. The CSS property value is changed gradually, to create an animated effect. Only numeric values can be animated (like "margin:30px").
You can use jQuery to support both synchronous and asynchronous code, with the `$. when` function, and your code doesn't have to care whether or not it's async.
With jQuery, you can create custom animations.
An easing function specifies the speed at which the animation progresses at different points within the animation. The only easing implementations in the jQuery library are the default, called swing , and one that progresses at a constant pace, called linear .
There is an alternative to setTimeout() called setInterval() which will call the function you pass as argument at regular intervals. Calling setInterval will return a value which can be passed to clearInterval to stop the function from being called.
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