How to get input text length and validate user in javascript

Posted by Crazy boy on Stack Overflow See other posts from Stack Overflow or by Crazy boy
Published on 2010-05-13T07:47:12Z Indexed on 2010/05/13 7:54 UTC
Read the original article Hit count: 229

Filed under:

JavaScript

|

validate

I want to valid if user has entered username and password at the time of creating an account is safe or not based on its length(for my case five) on the right side of input field by showing that in different color i.e. for shorter in red, otherwise in green. How can I do that with javascript?

© Stack Overflow or respective owner

Related posts about JavaScript

CHAT ROOMs 7 by 6

as seen on Stack Overflow - Search for 'Stack Overflow'
I am looking for chatroom on one page with 7 loggedin users and 6+rows for say 42 users.these users will keep on adding wthnew users.Need urgent help.A PRETTY UNUSUAL Q FOR MOST OF U.What is MORE REQ new features: Usernames are unique to users currently chatting You can see a "currently chatting"… >>> More
Integrating JavaScript Unit Tests with Visual Studio

as seen on Stephen Walter - Search for 'Stephen Walter'
Modern ASP.NET web applications take full advantage of client-side JavaScript to provide better interactivity and responsiveness. If you are building an ASP.NET application in the right way, you quickly end up with lots and lots of JavaScript code. When writing server code, you should be writing… >>> More
Has Javascript developed beyond what it was originally designed to do?

as seen on Programmers - Search for 'Programmers'
I've been talking with a friend about the purpose of Javascript, when and how it should be used, etc. He quoted that: JavaScript was designed to add interactivity to HTML pages [...] JavaScript gives HTML designers a programming tool HTML authors are normally not programmers… >>> More
PHP, javascript, single quote problems with IE when passing variable from ajax post to javascript fu

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi! I have been trying to get this to work for a while, and I suspect there's an easy solution that I just can't find. My head feels like jelly and I would really appreciate any help. My main page.php makes a .post() to backend.php and fetches a list of cities which it echoes in the form of: <li… >>> More
Javascript in XSL that is loaded by Javascript

as seen on Stack Overflow - Search for 'Stack Overflow'
Is there anyway to have javascript run when a XSL sheet has been applied to an XML file by Javascript? I am using a JQuery plugin to apply the sheet to the xml but the javascript that is located inside of the XSL file will not run. I put the Javascript at the bottom of the file and it still does… >>> More

Related posts about validate

Validate subset of a form using jQuery Validate plugin

as seen on Stack Overflow - Search for 'Stack Overflow'
My HTML form has a number of divs that are the steps of a wizard. Upon clicking a "next" button I want to validate just the active div. I'm using the jQuery.Validate.js plugin. Each div has an ID, so I want a way to say something like: wizardForm.validate().element('#first-step :input') but this… >>> More
Extending Jquery validate to show/hide div or clear div after validate is ran

as seen on Stack Overflow - Search for 'Stack Overflow'
Right now i have all of my errors outputting to a div. Id like to catch the validate event and clear the div right before its ran of my old errors. Then id like to show/hide that div based on if it has any labels in it that were auto generated by the jquery validation plugin. I can do everything but… >>> More
jquery: validate that text field is numeric

as seen on Stack Overflow - Search for 'Stack Overflow'
I have simple issue -- I would like to check a field to see if it's numeric if it is not blank. I'm not using any additional plugins, just jQuery. My code is as follows: if($('#Field').val() != "") { if($('#Field').val().match('^(0|[1-9][0-9]*)$')) { errors+= "Field… >>> More
How can I validate the output of XmlSerializer?

as seen on Stack Overflow - Search for 'Stack Overflow'
In C# / .NET 2.0, when I serialize an object using XmlSerializer, what's the easiest way to validate the output against an XML schema? The problem is that it is all too easy to write invalid XML with the XmlSerializer, and I can't find a way to validate the XML that does not look cumbersome. Ideally… >>> More
How to validate an expression in javascript?

as seen on Stack Overflow - Search for 'Stack Overflow'
Hi All! I have an expression-- {YYYY}-{MM} I have a textbox in that i will take input from user. User must input in above format for eample, {2010}-{03} or {10}-{3} or {2010}-{3} How to validate this using Java script Please help me to solve this. Thank You >>> More