Expression: true() Object is a Boolean : true

Expression: false() Object is a Boolean : false

Expression: number(“1.5”) Object is a number : 1.5

Expression: number('abc') Object is a number : NaN

Expression: -number('abc') Object is a number : NaN

Expression: floor(0.1) Object is a number : 0

Expression: floor(-0.1) Object is a number : -1

Expression: floor(-0) Object is a number : 0

Expression: floor(0) Object is a number : 0

Expression: floor(5.2) Object is a number : 5

Expression: floor(-5.2) Object is a number : -6

Expression: floor(100000000000000000000) Object is a number : 1e+20

Expression: floor(-100000000000000000000) Object is a number : -1e+20

Expression: floor(0 div 0) Object is a number : NaN

Expression: floor(1 div 0) Object is a number : Infinity

Expression: floor(-1 div 0) Object is a number : -Infinity

Expression: ceiling(0.1) Object is a number : 1

Expression: ceiling(-0.1) Object is a number : 0

Expression: ceiling(-0) Object is a number : 0

Expression: ceiling(0) Object is a number : 0

Expression: ceiling(5.2) Object is a number : 6

Expression: ceiling(-5.2) Object is a number : -5

Expression: ceiling(100000000000000000000) Object is a number : 1e+20

Expression: ceiling(-100000000000000000000) Object is a number : -1e+20

Expression: ceiling(0 div 0) Object is a number : NaN

Expression: ceiling(1 div 0) Object is a number : Infinity

Expression: ceiling(-1 div 0) Object is a number : -Infinity

Expression: round(0.1) Object is a number : 0

Expression: round(5.2) Object is a number : 5

Expression: round(5.5) Object is a number : 6

Expression: round(5.6) Object is a number : 6

Expression: round(-0.1) Object is a number : 0

Expression: round(-5.2) Object is a number : -5

Expression: round(-5.5) Object is a number : -5

Expression: round(-5.6) Object is a number : -6

Expression: round(0.5) Object is a number : 1

Expression: round(-0.5) Object is a number : 0

Expression: round(100000000000000000000) Object is a number : 1e+20

Expression: round(-100000000000000000000) Object is a number : -1e+20

Expression: round(0 div 0) Object is a number : NaN

Expression: round(1 div 0) Object is a number : Infinity

Expression: round(-1 div 0) Object is a number : -Infinity