百度哥
2016-05-05 08:56
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>无标题文档</title> <script type="text/javascript"> function kaishi(){ alert("开始了!"); document.getElementById("kaishi").innerHTML = "开始了!"; } function tiwen(){ var daan = prompt("请输入内容",daan); if(daan != null){ document.getElementById("daan").innerHTML = daan; } } function queren(){ var queren = confirm("确定要修改"+document.getElementById("daan").innerHTML+"?"); if(document.getElementById("daan").innerHTML != "" && queren == true){ document.getElementById("daan").innerHTML = "答案已经被修改!"; document.getElementById("daan2").style.backgroundColor = "#000"; } } function dianji(){ document.getElementById("shubiao").innerHTML="按钮被点击"; } function clock(){ var time=new Date(); attime= time.getHours()+":"+time.getMinutes()+":"+time.getSeconds(); document.getElementById("clock").innerHTML = "当前时间:"+attime; } var interval = setInterval("clock()",1000); var ii=0; function clock2(){ document.getElementById("clock2").innerHTML = "计数器:"+ii; ii=ii+1; setTimeout("clock2()",1000); } var timeout = setTimeout("clock2()",1000); function stopCount(){ clearTimeout(timeout); } </script> </head> <body> <form id="form1" name="form1" method="post" action=""> <table width="500" border="1"> <tr> <td><input type="button" name="button" id="button" value="警告" onclick="kaishi()"/></td> <td id="kaishi"></td> </tr> <tr> <td><input type="button" name="button1" id="button1" value="提问" onclick="tiwen()"/></td> <td id="daan"></td> </tr> <tr> <td><input type="button" name="button2" id="button2" value="确认修改" onclick="queren()"/></td> <td id="daan2"> </td> </tr> <tr> <td><input type="button" name="button3" id="button3" value="打开新窗口" onclick="javascript:window.open('test1_1.php','_blank','width=300;height=300');"/></td> <td> </td> </tr> <tr> <td><input type="button" name="button4" id="button4" value="鼠标事件测试" onclick="dianji()"/></td> <td id="shubiao"></td> </tr> <tr> <td><script type="text/javascript"> var date= new Date(); document.write(date); </script></td> <td id="clock"></td> </tr> <tr> <td> <input type="button" name="button5" id="button5" value="停止↑" onclick="javascript:clearInterval(interval);" /> <input type="button" name="button6" id="button6" value="停止→" onclick="stopCount()" /> </td> <td id="clock2"></td> </tr> <tr> <td> </td> <td> </td> </tr> <tr> <td> </td> <td> </td> </tr> <tr> <td> </td> <td> </td> </tr> </table> </form> </body> </html>
计数器那里
clock2() 的“计数器”那里,点击了按钮事件还是不能停止。
JavaScript进阶篇
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