Some JavaScript Basic Syntax

Math 오브젝트 활용 Math.pow(3,2) -> 9 Math.round(10.6) -> 11 Math.ceil(10.2) -> 11 Math.floor(10.2) -> 10 Math.random() -> 0~1 random number Math.round(100*Math.random()) -> 1~100 random number 문자의 표현 To escape well in single quote -> use \ alert('seongji...