ReasonJun

number //? .toFixed() // Returns a number as a character representing a number to the specified decimal notation (number of digits). console.log(num.toFixed(2)); // 3.14 console.log(parseFloat(num.toFixed(2))); // 3.14 => number // .toLocalString() // Returns a number as a character in local language format. const num1 = 100000; console.log(num1.toLocaleString()); // 100,000 => string // Number...