javaScriptÑéÖ¤´úÂ루Óû§Ãû£¬ÃÜÂ룬ÓÊÏ䣩
<script language="javascript">
function IsDigit(cCheck)
{
return (('0'<=cCheck) && (cCheck<='9'));
}
function IsAlpha(cCheck)
{
return ((('a'<=cCheck) && (cCheck<='z')) || (('A'<=cCheck) && (cCheck<='Z')))
}
function IsaNull(cCheck)
{
return(cCheck != " ")
}
function checkform()
{
id = document.sform1.id.value;
if (id == "")
{
alert("ÇëÊäÈë×¢²áÃû");
document.sform1.id.focus();
return false;
}
for (nIndex=0; nIndex<id.length; nIndex++)
{
cCheck = id.charAt(nIndex);
if (!(IsDigit(cCheck) || IsAlpha(cCheck) || cCheck=='-' || cCheck=='_' || cCheck=='.'))
{
alert("Óû§ÃûÖ»ÄÜʹÓÃ×Öĸ¡¢Êý×ÖÒÔ¼°-¡¢_ºÍ.£¬²¢ÇÒ²»ÄÜʹÓÃÖÐÎÄ");
document.sform1.id.focus();
return false;
}
}
chineseid = document.sform1.chineseid.value;
if (chineseid == "")
{
alert("ÇëÊäÈëÖÐÎÄêdzÆ");
document.sform1.chineseid.focus();
return false;
}
password = document.sform1.password.value;
if (password == "")
{
alert("ÇëÊäÈëµÇ½ÃÜÂë");
document.sform1.password.focus();
return false;
}
password1 = document.sform1.password1.value;
if (password>password1)
{
alert("Öظ´ÃÜÂëÓëµÇ½ÃÜÂë²»Ïàͬ");
document.sform1.password.focus();
document.sform1.password1.focus();
return false;
}
if (password<password1)
{
alert("Öظ´ÃÜÂëÓëµÇ½ÃÜÂë²»Ïàͬ");
document.sform1.password.focus();
document.sform1.password1.focus();
return false;
}
if (document.sform1.email.value == "")
{
alert("ÇëÊäÈëÄúµÄE-MAILµØÖ·");
document.sform1.email.focus();
return false;
}
email=document.sform1.email.value;
emailerr=0
for (i=0; i<email.length; i++)
{
if ((email.charAt(i) == "@") & (email.length > 5))
{
emailerr=emailerr+1
}
}
if (emailerr != 1)
{
alert("ÇëÊäÈëÕýÈ·µÄE-MAILµØÖ·");
document.sform1.email.focus();
return false;
}
if (document.sform1.checkask.value=="")
{
alert("ÃÜÂëÌáʾÎÊÌâ²»ÄÜΪ¿Õ");
document.sform1.checkask
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Summary ×ܽá
When web pages or applications begin to feel slow, analyzing assets as they come over the wire and profiling scripts while they are running allows you to focus your optimization efforts where they are needed most.
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JSON:
[{"subjecttypeId":"1","subjectName":"67","scope":"1",},{"subjecttypeId":"1","subjectName":"345","scope":"1"}]
JavaScript:
var result = window.eval('(' + JSON+ ')');
for(var p in result){
result[p].subjectName;
alert(result[p] ......
1. Javascript Debug Toolkit½éÉÜ
JSDT(Javascript Debug Toolkit)ÊÇÒ»¸öÓÃÓÚjavascriptµ÷ÊÔµÄeclipse
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2. ÈçºÎ°²×°
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var src="<a href="http://xx.com/a/2010 ......
javascriptдÔÚº¯ÊýÀïÃæ
function loadscript(url) {
document.write('<scr' + 'ipt type="text/javascript" src"' + url + '"><\/scr' + 'ipt>'>)
}
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