1 2 ======================== 3 Expression: true() 4 Object is a Boolean : true 5 6 ======================== 7 Expression: false() 8 Object is a Boolean : false 9 10 ======================== 11 Expression: number("1.5") 12 Object is a number : 1.5 13 14 ======================== 15 Expression: number('abc') 16 Object is a number : NaN 17 18 ======================== 19 Expression: -number('abc') 20 Object is a number : NaN 21 22 ======================== 23 Expression: floor(0.1) 24 Object is a number : 0 25 26 ======================== 27 Expression: floor(-0.1) 28 Object is a number : -1 29 30 ======================== 31 Expression: floor(-0) 32 Object is a number : 0 33 34 ======================== 35 Expression: floor(0) 36 Object is a number : 0 37 38 ======================== 39 Expression: floor(5.2) 40 Object is a number : 5 41 42 ======================== 43 Expression: floor(-5.2) 44 Object is a number : -6 45 46 ======================== 47 Expression: ceiling(0.1) 48 Object is a number : 1 49 50 ======================== 51 Expression: ceiling(-0.1) 52 Object is a number : 0 53 54 ======================== 55 Expression: ceiling(-0) 56 Object is a number : 0 57 58 ======================== 59 Expression: ceiling(0) 60 Object is a number : 0 61 62 ======================== 63 Expression: ceiling(5.2) 64 Object is a number : 6 65 66 ======================== 67 Expression: ceiling(-5.2) 68 Object is a number : -5 69 70 ======================== 71 Expression: round(0.1) 72 Object is a number : 0 73 74 ======================== 75 Expression: round(5.2) 76 Object is a number : 5 77 78 ======================== 79 Expression: round(5.5) 80 Object is a number : 6 81 82 ======================== 83 Expression: round(5.6) 84 Object is a number : 6 85 86 ======================== 87 Expression: round(-0.1) 88 Object is a number : 0 89 90 ======================== 91 Expression: round(-5.2) 92 Object is a number : -5 93 94 ======================== 95 Expression: round(-5.5) 96 Object is a number : -5 97 98 ======================== 99 Expression: round(-5.6) 100 Object is a number : -6 101