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JavaScript 在页面上显示数字时钟

显示一个钟表

<html><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<10m=checkTime(m)s=checkTime(s)document.getElementById(‘txt‘).innerHTML=h+":"+m+":"+st=setTimeout(‘startTime()‘,500)}function checkTime(i){if (i<10) {i="0" + i}return i}</script></head><body onl oad="startTime()"><div id="txt"></div></body></html>

 

JavaScript 在页面上显示数字时钟