JavaScript provides a way to validate form's data on the client's computer before sending it to the web server. Form validation generally performs two functions. ... Data Format Validation − Secondly, the data that is entered must be checked for correct form and value.
JavaScript provides a way to validate form's data on the client's computer before sending it to the web server. Form validation generally performs two functions. ... Data Format Validation − Secondly, the data that is entered must be checked for correct form and value.
JavaScript provides a way to validate form's data on the client's computer before sending it to the web server. Form validation generally performs two functions. ... Data Format Validation − Secondly, the data that is entered must be checked for correct form and value.