Validating url in javascript

Next determine whether the form has been submitted by checking how the page was requested.If the form has just been requested, then the is outputted as part of the element’s HTML. It is actually a better idea to restructure the code as a loop than to blindly add code to check each option manually.

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If it has not been submitted, bypass the validation and display a blank form.In most cases these errors can be detected by validating "web-app_2_5.xsd" directly.However it is possible that errors will only occur when web-app_2_5is validated in the context of This prevents the form from breaking if the user submits HTML markup and also is a means of protecting against XSS (Cross Site Scripting) attacks, which attackers will use to try to exploit vulnerabilities in web applications.Now that you’ve defined the form in HTML, let’s identify the two stages the form goes through – when the blank form is loaded, and when the user has completed the form and clicks the submit button.

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