回答編集履歴
1
調整
test
CHANGED
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@@ -53,3 +53,83 @@
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53
53
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54
54
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```
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56
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59
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# 調整
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60
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61
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よく考えたら秒単位でやったほうがすっきりしますね
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62
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63
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64
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65
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```javascript
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66
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67
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var mytime=function(str){
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68
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69
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var hms=str.split(":");
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70
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71
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var h=parseInt(hms[0]);
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72
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var m=parseInt(hms[1]|"0");
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75
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var s=parseInt(hms[2]|"0");
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this.time=h*3600+m*60+s;
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this.addSecond=function(n){
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80
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81
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this.time+=n;
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82
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83
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};
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84
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85
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this.addMinute=function(n){
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86
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87
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this.time+=n*60;
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88
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};
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91
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this.addHour=function(n){
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92
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this.time+=n*3600;
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94
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};
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97
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this.disp=function(){
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98
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99
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var minus=this.time<0?"-":"";
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100
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101
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var t=Math.abs(this.time);
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102
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var h=Math.floor(t/3600).toString();
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105
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var m=(100+Math.floor((t%3600)/60)).toString().substr(-2);
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106
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var s=(100+Math.round(t%60)).toString().substr(-2);
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108
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return minus+h+":"+m+":"+s;
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};
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112
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113
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};
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var time=new mytime('21:00');
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console.log(time.disp());
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time.addHour(4.5);
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console.log(time.disp());
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time.addHour(1.234);
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console.log(time.disp());
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time.addHour(-30.2);
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console.log(time.disp());
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time.addHour(4.1);
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console.log(time.disp());
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134
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```
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