一些用过的简单JavaScript
一个显示时间的时钟
按下回车时执行Button的Click
调用时可以这样写(用户输好密码后按下回车)
页面初始时最大化
文本框显示默认值,点击后变为空
function show()
{if(!document.layers&&!document.all)
return
var Digital=new Date()
var year=Digital.getYear()
var month=Digital.getMonth()+1
var day=Digital.getDate()
var hours=Digital.getHours()
var minutes=Digital.getMinutes()
var seconds=Digital.getSeconds()
var dn="AM"
if(hours>12){dn="PM"
hours=hours-12
}if(hours==0)
hours=12
if(minutes<=9)
minutes="0"+minutes
if(seconds<=9)
seconds="0"+seconds
//change font size here to your desire
myclock="<font color=blue>"+year+"-"+month+"-"+day+" "+hours+":"+minutes+":"+seconds+" "+dn+"</font>";
if(document.layers){
document.layers.liveclock.document.write(myclock)
document.layers.liveclock.document.close()
}else if(document.all)
jnkc.innerHTML=myclock
setTimeout("show()",1000)
}
//-->
window.onload=show;
{if(!document.layers&&!document.all)
return
var Digital=new Date()
var year=Digital.getYear()
var month=Digital.getMonth()+1
var day=Digital.getDate()
var hours=Digital.getHours()
var minutes=Digital.getMinutes()
var seconds=Digital.getSeconds()
var dn="AM"
if(hours>12){dn="PM"
hours=hours-12
}if(hours==0)
hours=12
if(minutes<=9)
minutes="0"+minutes
if(seconds<=9)
seconds="0"+seconds
//change font size here to your desire
myclock="<font color=blue>"+year+"-"+month+"-"+day+" "+hours+":"+minutes+":"+seconds+" "+dn+"</font>";
if(document.layers){
document.layers.liveclock.document.write(myclock)
document.layers.liveclock.document.close()
}else if(document.all)
jnkc.innerHTML=myclock
setTimeout("show()",1000)
}
//-->
window.onload=show;
按下回车时执行Button的Click
<script type="text/javascript">
function SubmitKeyClick(button)
{
if (event.keyCode == 13)
{
event.keyCode=9;
event.returnValue = false;
document.all[button].click();
}
}
</script>
function SubmitKeyClick(button)
{
if (event.keyCode == 13)
{
event.keyCode=9;
event.returnValue = false;
document.all[button].click();
}
}
</script>
调用时可以这样写(用户输好密码后按下回车)
Me.txtPass.Attributes.Add("onkeydown", "SubmitKeyClick('Button1');")
Button1就是回车执行的按钮页面初始时最大化
<script language="JavaScript">
self.moveTo(0,0)
self.resizeTo(screen.availWidth,screen.availHeight)
</script>
self.moveTo(0,0)
self.resizeTo(screen.availWidth,screen.availHeight)
</script>
文本框显示默认值,点击后变为空
<script type="text/javascript" >
function cleartxt(TextBoxID)
{
if (TextBoxID=="TextBox1" && document.all(TextBoxID).value=="please input keyword")
document.all(TextBoxID).value="";
}
</script>
后台写上function cleartxt(TextBoxID)
{
if (TextBoxID=="TextBox1" && document.all(TextBoxID).value=="please input keyword")
document.all(TextBoxID).value="";
}
</script>
Me.TextBox1.Attributes.Add("onclick", "cleartxt('TextBox1');")