1 | 我想打印时间时把之前打印的时间的清掉,只让他打印一次,求解 |
123456789101112131415 | var str = "" function getTime(){ document.write(str) var data = new Date() var year = data.getFullYear() var mon = data.getMonth() var day = data.getDate() var hour = data.getHours() var min = data.getMinutes() var sec = data.getSeconds() str = year+ "年" +mon+ "月" +day+ "日" +hour+ "时" +min+ "分" +sec+ "秒" document.write(str) } getTime() |
setInterval(getTime,1000)
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