javascript - Convert hours to correct division by 60 minutes -

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how convert number such following: 12.82 correct hourly format: 13.22?

this work:

timeold = "12.84"; time = timeold.match(/(\d+)(\.\d+)?/); if (time[2] >= .60) {     time[2] = time[2] - .60;     time[1] = parseint(time[1]) + 1;  }   alert(time[1] + time[2]);

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