JavaScript實現一個數字時鐘
阿新 • • 發佈:2018-12-31
<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<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>