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