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Form Validation in JavaScript Assignment Help
Form validation
In client-server environment, the client sends the data to server and the server send response to client. To send valid data for further processing is worthwhile. But doing this task to validate the entered data each time it increases the traffic load and time for the operation.
Java script allows client side validation. Two types of validation can be performed at client side.
Form Validation in JavaScript Assignment Help Through Online Tutoring and Guided Sessions at MyAssignmentHelp
- Basic Validation
- Data Format Validation
25.1 Basic Validation
It checks whether the all mandatory fields are having data.
25.2 Data Format Validation
It verifies the entered fields are valid or not. Example, the entered age is valid or not. If the age is ‘200’ it is not valid.
Example program for form validation
![Form Validation form validation img1](https://www.assignmenthelp.net/webimg/ahp/javascript-assignment-help/form-validation-img1.jpg)
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