回答編集履歴
1
tuiki
answer
CHANGED
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@@ -2,15 +2,11 @@
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2
2
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3
3
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var a = '12:00';
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4
4
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var an = a.indexOf(':');
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5
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-
var a1 = a.substring(0, an);
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6
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-
var
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5
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+
var a = a.substring(0, an)*60 + Number(a.substring(an+1, a.length));
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7
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-
var a = a1*60 + Number(a2);
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8
6
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9
7
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var b = '17:30';
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10
8
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var bn = b.indexOf(':');
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11
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-
var b1 = b.substring(0, bn);
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12
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-
var
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9
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+
var b = b.substring(0, bn)*60 + Number(b.substring(bn+1, b.length));
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13
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-
var b = b1*60 + Number(b2);
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14
10
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15
11
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var result = b - a;
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16
12
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alert(result);
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