标签：style blog http io ar color sp for on
在input里面增加自定义属性 num，然后获得它的值，点击弹出 依次 ABCD
<!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>点击增加</title> <script> window.onload = function(){ var oBtn = document.getElementsByTagName(‘input‘); var arr = [‘A‘,‘B‘,‘C‘,‘D‘]; //定义一个数组 for(var i=0;i<oBtn.length;i++){ oBtn[i].num = 0; //声明input里面num值为零 oBtn[i].onclick = function(){ alert(arr[this.num]); //this代表obtn[i] this.num++; }; } }; </script> </head> <body> <input type="button" value="0" /> <input type="button" value="0" /> <input type="button" value="0" /> </body> </html>
标签：style blog http io ar color sp for on
原文地址：http://www.cnblogs.com/zzg521/p/4143921.html
