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< head> < script type= "text/javascript"> function startTime ( ) { var today= new Date ( ) var h= today. getHours ( ) var m= today. getMinutes ( ) var s= today. getSeconds ( ) // add a zero in front of numbers<10 m= checkTime ( m ) s= checkTime ( s ) document. getElementById ( 'txt' ). innerHTML= h+ ":"+ m+ ":"+ s t= setTimeout ( 'startTime()', 500 ) } function checkTime ( i ) { if ( i< 10 ) { i= "0" + i } return i } </ script> </ head> < body onload= "startTime()"> < div id= "txt"></ div> </ body> </ html>
本文转自 houzaicunsky 51CTO博客,原文链接:http://blog.51cto.com/hzcsky/978546
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