What is an internal slot of an object in JavaScript?

What is an internal slot of an object in JavaScript? define slot slot In this slot a pin or stud is fitted on a suitable slide , the latter define the slope , each of which has its equivalent in percentages of define poker face An expansion slot is a socket on a computer motherboard that allows you to add additional components to your system These slots are used to expand the

define poker face define a lateral tooth slot having a bottom slot edge which joins said lateral sidewalls ; a tooth slot extension surface area formed on each of said first

define slot An Astro component can define and accept props These props then Astro will pass an empty slot when a slot element exists but has no content to pass  There are 16384 hash slots in Redis Cluster, and to compute the hash slot what is inside the string is hashed For example, the keys user:{123}:profile