如题所述
代ç å¦ä¸ï¼
1.HTML页é¢ï¼
<!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>æ æ é¢ææ¡£</title>
<script type="text/javascript" src="1.js" ></script>
<script type="text/javascript" src="2.js" ></script>
</head>
<body>
<input type="text" id="tex" name="tex" onblur="fun();" />
</body>
</html>
2.js:
function onCli(){
var va=document.getElementById("tex").value;
if(null == va || "" == va){
alert("请å¨ææ¬æ¡ä¸è¾å ¥å 容ï¼");
return false;
}
return true; //å½vaçå¼ä¸ä¸ºç©ºæ¶ if(onCli())ä¸onCli()æ¯undefined
}
3.js
function fun(){
if(onCli()){
alert("è°ç¨æåï¼");
}
}
1.HTML页é¢ï¼
<!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>æ æ é¢ææ¡£</title>
<script type="text/javascript" src="1.js" ></script>
<script type="text/javascript" src="2.js" ></script>
</head>
<body>
<input type="text" id="tex" name="tex" onblur="fun();" />
</body>
</html>
2.js:
function onCli(){
var va=document.getElementById("tex").value;
if(null == va || "" == va){
alert("请å¨ææ¬æ¡ä¸è¾å ¥å 容ï¼");
return false;
}
return true; //å½vaçå¼ä¸ä¸ºç©ºæ¶ if(onCli())ä¸onCli()æ¯undefined
}
3.js
function fun(){
if(onCli()){
alert("è°ç¨æåï¼");
}
}
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