setInterval 实现时钟功能

来源：互联网收集：自由互联发布时间：2023-03-22

p手表/pp id="demo"/pscript var myVar = setInterval(function () { myTimer() }, 1000) function myTimer() { var d = new Date(); var t = d.toLocaleTimeString(); document.getElementById("demo").innerHTML = t; } /script

<p>手表</p><p id="demo"></p><script> var myVar = setInterval(function () { myTimer() }, 1000) function myTimer() { var d = new Date(); var t = d.toLocaleTimeString(); document.getElementById("demo").innerHTML = t; } </script>