Script编程window对象以及this的用法

来源：互联网发布：数控加工仿真软件编辑：程序博客网时间：2024/06/05 16:24

prompt对话框

<html><head><title>函数</title><Script language="JavaScript">var userName = prompt("请输入你的名字:");  document.write("你好！"+userName);</Script></head><body></body></html>

confirm对话框

<!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=gb2312" /><title>无标题文档</title><script type="text/javascript">//while(true)///alert("ghahah");function confirmit(){var obj=document.getElementById("testa");if(confirm("你确认删除此文件么？")){obj.submit();}   }  </Script></head><body><form id="testa" action="ttt.jsp" method="post"><input type="button" value="删除文件" onclick="confirmit()" name="aaa"></form></body></html>

<html><head><title>函数</title><Script language="JavaScript">function confirmit(){  if(confirm("你确认删除此文件么？"))  {  document.testa.submit();  }   }  </Script></head><body><form name="testa" action="ttt.jsp" method="post"><input type="button" value="删除文件" onclick="confirmit()" name="aaa"></form></body></html>

this

<!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=gb2312" /><title>无标题文档</title><!--prompt提示comfirm认证submit提交status状态--><Script type="text/javascript">function checkit(obj){if(obj.value==""){alert("空值");}else{alert(obj.value);}}</Script></head><body><img src="1.jpg" onclick="alert(this.src);"><form ><input type="text"  value="ddaaa" onclick="checkit(this)"></form></body></html>

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下面的很少用

window.status

鼠标经过的时候

<html><head><title>本地窗口</title></head><body onload="window.status='Hello,Please look here!'"><!--状态栏body的状态属性--><form name="ttt"><input type="button" value="test" onMouseOver="window.status='haha';"></form></body> </html>

new windiow

前面是位置，后面是大小

<html><head><title>新开窗口</title></head><body><Script language="JavaScript">window.open("1.htm","newWin","toolbar=no,left=200,top=100,menubar=no,width=100,height=100,resizable=no");//window.open("1.htm","newWin","toolbar=no,left=200,top=100,menubar=no,width=100,height=100,resizable=no");//window.open("1.htm");</Script></body></html>

focus()close()

<html><head><title>新开窗口</title></head><body><Script language="JavaScript">var abc = window.open("1.htm","newWin","toolbar=no,left=200,top=100,menubar=no,width=300,height=100");</Script><input type="button" onclick="JavaScript:abc.focus();" value="跑前面来"><input type="button" onclick="JavaScript:abc.close();" value="关闭"></body></html>

window.location

网页的位置

<html><head><title>本地窗口</title></head><body><Script language="JavaScript">//alert(window.location);alert(document.location.href);</Script></body></html>

<html><head><title>本地窗口</title></head><body><Script language="JavaScript">function go2(){  window.location="33.htm";}</Script><input type="button" value="转向" onclick="JavaScript:go2()"></body></html>

history.back();

<html><head><title>本地窗口</title></head><body><Script language="JavaScript">function goBack(){  history.back();}</Script><input type="button" value="返回" onclick="JavaScript:goBack()"></body></html>