javascript less than but greater than code example

Example 1: javascript less than but greater than

let X = 4
let Y = 5
let Z = 8

if (Y < Z && Y > X) {
    console.log(`Y is less than Z but greater than X, or mathematically
	'X < Y < Z' or 'Z > Y > X'
	`);
}

Example 2: equal to or more than javascript

//Equal to or more than
a >= b
//Equal to or less than
a <= b