摘要:function timeCount() { var tar = new Date('2018/7/22 18:30:00').getTime(); var now = new Date().getTime(); var time = tar - now; if(time <= 0){ clearI
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摘要:function getStr() { var str1 = ''; var str = 'qwertyuiopasdfghjklzxcvbnm0123456789QWERTYUIOPASDFGHJKLZXCVBNM'; for(var i = 0; i < 4;i++){ var n = Math
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