W3School TIY
编辑您的代码：
<html> <head> <script type="text/javascript"> function blinking_header() { if (!document.getElementById('blink').style.color) { document.getElementById('blink').style.color="red" } if (document.getElementById('blink').style.color=="red") { document.getElementById('blink').style.color="black" } else { document.getElementById('blink').style.color="red" } timer=setTimeout("blinking_header()",100) } function stoptimer() { clearTimeout(timer) } </script> </head> <body onload="blinking_header()" onunload="stoptimer()"> <h1 id="blink">闪动的标题</h1> </body> </html>
查看结果: