<html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>Number Data Type Example</title></head><body><script> let num = 42; // Integer let floatNum = 3.14; // Floating-point number let infinityValue = Infinity; // Represents infinity let notANumber = NaN; // Represents not a number</script></body></html>