📄 web20.html
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<html>
<head>
<title>the web is very good</title>
<script language="JavaScript">
function a()
{
var a=document.form1.text1.value;
var b=document.form1.text2.value;
var c=document.form1.text3.value;
var d=document.form1.text4.value;
var e=document.form1.text5.value;
var f=document.form1.text6.value;
obj1=new Date(a,b,c);
obj2=new Date(d,e,f);
var diff=obj1-obj2;
diff=Math.floor(Math.abs(diff/(1000*60*60*24)));
document.form1.text7.value=diff;
}
</script>
<body>
<form name="form1">
Please enter the firstyear
year: <input type="text" name="text1">
month: <input type="text" name="text2">
day: <input type="text" name="text3">
<br/>
please enter the secondyear
year: <input type="text" name="text4">
month:<input type="text" name="text5">
day:<input type="text" name="text6">
<br/>
diff:<input type="text" name="text7" size="20">
<input type="button" onclick="a()">
</form>
</body>
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