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The === operator checks for both value and type equality.

‘this’ refers to the object that owns the current execution context.

The pop() method removes and returns the last element of an array.

2 + ‘2’ performs string concatenation, resulting in ’22’.

parseInt() parses a string and returns an integer.

setTimeout executes a function once after a specified delay.

perspective applies a 3D perspective effect to an element.

Arrays in JavaScript are defined with square brackets, e.g., var colors = [‘red’, ‘blue’].

The push() method adds one or more elements to the end of an array.

typeof null returns ‘object’ due to a historical JavaScript quirk.

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