I'm struggling to understand the meaning and function of this parenthesis statement. Can someone provide clarity?
function fadeOut(el){
el.style.opacity = 1;
(function fade() { <-- Is this responsible for continuous execution?
if ((el.style.opacity -= .1) < 0) {
el.style.display = "none";
} else {
requestAnimationFrame(fade);
}
})();
};
In my opinion, it appears that the fade function is being employed recursively here. When we see the line requestAnimationFrame(fade);, it essentially passes a reference to itself as an argument. This ensures that the function will run at least once, and if the inner if statement returns false, it will call requestAnimationFrame with the function itself as the parameter. Therefore, there's a possibility that this requestAnimationFrame could trigger another invocation of fade().
On another note, I have a different perspective from @VLAZ and @Rajesh. In my view, the linked question does not adequately address how this construct is utilized in the specific scenario of your example. It doesn't serve the purpose of variable scoping or overwriting framework properties.
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