实例代码“Ctrl+/”提示“F11/ESC”全屏 返回 格式化 恢复 运行
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<!DOCTYPE html>
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<html>
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<body>
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​
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<p>A script on this page starts this clock:</p>
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<p id="demo"></p>
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​
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<script>
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var myVar=setInterval(function(){myTimer()},1000);
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​
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function myTimer()
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{
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var d=new Date();
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var t=d.toLocaleTimeString();
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document.getElementById("demo").innerHTML=t;
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}
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</script>
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​
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</body>
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</html>