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| <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>setTimeout</title> </head> <body> <input type="text" id="displayBox" name="displayBox" value="0"> <div id="content"></div> <button type="button" onclick="countSecond()">开始计数</button>
<button type="button" onclick="clearTimeout(stop)">停止计数</button>
<script> setTimeout("alert('对不起, 要你久候')", 3000)
setTimeout("changeState()", 1000); function changeState() { let content = document.getElementById('content'); content.innerHTML = "<div style='color:red'>我是三秒后显示的内容!</div>"; }
x = 0 function countSecond() { x = x+1 document.getElementById("displayBox").value=x stop = setTimeout("countSecond()", 1000) }
setTimeout(demo5, 3000,"1232") function demo5(msg) { alert(msg) } </script> </body> </html>
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