🔢 JavaScript String to Number Conversion & Number Methods

This section demonstrates how to convert strings and other values to numbers in JavaScript using built-in methods.

It also showcases how to work with numeric precision, validation, and formatting using various Number methods.

Number() is used to convert string or boolean values into numbers.

Using Number(true) returns 1 and Number(false) returns 0.

parseInt() converts a string to an integer by removing decimal values.

parseFloat() converts a string to a floating-point number.

Number.isFinite() checks whether the value is a finite number (not Infinity or NaN).

Number.isInteger() checks if a value is an integer.

toFixed() formats a number using fixed-point notation (number of decimals).

toPrecision() formats a number to a specified length (significant digits).