[Solved] What does this line mean in JavaScript? [closed]

Question

I’m not sure why people are so opposed to just answering the question. It’s a ternary operation. It’s a shortcut for an if/else clause. For this particular operation,

Is x equivalent (===) to images.length-1? If so, set X to 0. Otherwise, set X to x + 1.

This pattern is likely used to endlessly iterate over an array (images). Once it reaches the end, it resets to the first element in the array.

Accepted Answer

I’m not sure why people are so opposed to just answering the question. It’s a ternary operation. It’s a shortcut for an if/else clause. For this particular operation,

Is x equivalent (===) to images.length-1? If so, set X to 0. Otherwise, set X to x + 1.

This pattern is likely used to endlessly iterate over an array (images). Once it reaches the end, it resets to the first element in the array.