Home >Web Front-end >JS Tutorial >js jquery verification*regular learning_jquery
js jquery verification*regular learning_jquery
- WBOYOriginal
- 2016-05-16 17:43:191233browse
jquery code
$("# bankAccountNumber").change(function(){
alert("1");
var account = $("channelForm.bankAccount.account").val();
alert("2") ;
var reg = /^d{19}$/g; // Start with 19 digits and end with 19 digits
if( !reg.test(account) )
{
alert("Format error, should be 19 digits!");
}
})
html code
Verify bank account number</title> ; <BR><style type="text/css"> <br><!-- <BR>.STYLE1 {color: #FF0000} <BR>--> <br></style> <br><script language="javascript" type="text/javascript"> <br>function check() <br>{ <br>var account = document.form1.account.value; <br>var reg = /^d{19}$/g; // Start with 19 digits and end with 19 digits <br>if( !reg.test(account) ) <br>{ <br>alert("Format error, It should be 19 digits! "); <br>} <br>else <br>{ <br>alert("Verification successful!"); <br>} <br>} <br></script> <br></head> ; <BR><body> <br><form id="form1" name="form1" method="post" action=""> <br><p>Account: <br><input type="text" name="account" id="account" /> <br> <span class="STYLE1">* (19 digits)</span></p> <br> <p> <br><input type="button" name="button" id="button" value="Validation" onclick="check()" /> <br></p> <br></form> <br></body> <br></html> <br>
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Copy code The code is as follows:
$("# bankAccountNumber").change(function(){
alert("1");
var account = $("channelForm.bankAccount.account").val();
alert("2") ;
var reg = /^d{19}$/g; // Start with 19 digits and end with 19 digits
if( !reg.test(account) )
{
alert("Format error, should be 19 digits!");
}
})
html code
Copy code The code is as follows: