事件处理函数OnEnter OnExit 使用一例

王朝html/css/js·作者佚名  2006-01-08
窄屏简体版  字體: |||超大  

只留一个输入框空缺

<html>

<head>

<meta http-equiv="Content-Type" content="text/html; charset=gb2312">

<title>OnEnter OnExit 使用一例</title>

<STYLE>

.in{

BORDER-RIGHT: black 1px solid; BORDER-TOP: black 1px solid; FONT-SIZE: 9pt; BORDER-LEFT: black 1px solid; COLOR: #000000; BORDER-BOTTOM: black 1px solid; HEIGHT: 17px; BACKGROUND-COLOR: #e4e4e4;

}

</STYLE>

<SCRIPT language=JavaScript>

<!--

function OnEnter( field ) { if( field.value == field.defaultValue ) { field.value = ""; } }

function OnExit( field ) { if( field.value == "" ) { field.value = field.defaultValue; } }

-->

</SCRIPT>

</head>

<body>

<TABLE>

<TD>

<INPUT onblur=OnExit(this) class="in" onfocus=OnEnter(this) value=Express>

<INPUT onblur=OnExit(this) class="in" onfocus=OnEnter(this) value=Express>

<INPUT onblur=OnExit(this) class="in" onfocus=OnEnter(this) value=Express>

<INPUT onblur=OnExit(this) class="in" onfocus=OnEnter(this) value=Express>

<INPUT onblur=OnExit(this) class="in" onfocus=OnEnter(this) value=Express>

<INPUT onblur=OnExit(this) class="in" onfocus=OnEnter(this) value=Express>

<INPUT onblur=OnExit(this) class="in" onfocus=OnEnter(this) value=Express>

<INPUT onblur=OnExit(this) class="in" onfocus=OnEnter(this) value=Express>

<INPUT onblur=OnExit(this) class="in" onfocus=OnEnter(this) value=Express>

<INPUT onblur=OnExit(this) class="in" onfocus=OnEnter(this) value=Express>

</TD>

</TABLE>

</body>

</html>

 
 
 
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