Validating form fields with ajax featuredating com
Therefore, we'll create CSS classes to represent these possible outcomes.Now that we've created a working form, we need to add some j Query and Java Script to validate fields and change the CSS classes that were created earlier.These error message will only be displayed after the form is submitted.We also want to implement real-time validation where the color of the input will change based on the validity of the data that has been entered.
If the data is invalid, the input box should be red.When the submit button is pushed, j Query will check whether all fields are valid.If any fields are not valid, the form will not be submitted and the user will be informed with error messages for the fields that are causing problems.For example, suppose you wanted to validate a credit card.All credit cards are 16 digits and the 16th digit can be calculated based on the first 15 numbers.
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If you are using a My SQL database, this is called My SQL Injection.