Dynamic input field<\/b> allows providing multiple values in a form. It is very useful when you want to receive multiple inputs for the same field in an HTML form. The dynamic input fields feature can be easily integrated using jQuery. You can add multiple fields and remove fields easily. In this tutorial, we will show you how to add or remove input fields or text boxes dynamically in a form using jQuery and get multiple input field values using PHP.<\/p>\n
The example code shows how to generate input fields on the fly in a form and submit the input field’s value into the database. This script is very useful to add\/remove input fields and post multiple values in PHP. The jQuery will be used to make this functionality simple and powerful. The following functionalities will be implemented to add more fields dynamically using jQuery<\/b> and PHP.<\/p>\n In this example script, we will show you how to add more fields dynamically using jQuery.<\/p>\n JavaScript Code:<\/b> The following JavaScript code handles the add\/remove input field functionality using jQuery.<\/p>\n\n
Add \/ Remove Input Fields Dynamically using jQuery<\/h2>\n
\njQuery will be used to attach click events on add and remove buttons, so include the jQuery library first.<\/p>\n<script<\/span> src<\/span>=\"https:\/\/ajax.googleapis.com\/ajax\/libs\/jquery\/3.7.0\/jquery.min.js\"<\/span>><\/script<\/span>>\r\n<\/pre>\n\n
maxField<\/code> variable holds the maximum number of input fields to be added.<\/li>\naddButton<\/code> variable selects the add button element.<\/li>\nwrapper<\/code> variable selects the parent element of input fields.<\/li>\nfieldHTML<\/code> variable holds the HTML of the new input field.<\/li>\nmaxField<\/code>, the new input field HTML will append into the fields parent div (wrapper<\/code>). Also, the field counter will increase.<\/li>\n<script<\/span>><\/span>\r\n$(document<\/span>).ready(function<\/span>(<\/span>)<\/span>{\r\n var<\/span> maxField = 10<\/span>; \/\/Input fields increment limitation<\/span>\r\n var<\/span> addButton = $('.add_button'<\/span>); \/\/Add button selector<\/span>\r\n var<\/span> wrapper = $('.field_wrapper'<\/span>); \/\/Input field wrapper<\/span>\r\n var<\/span> fieldHTML = '<div><input type=\"text\" name=\"field_name[]\" value=\"\"\/><a href=\"javascript:void(0);\" class=\"remove_button\"><img src=\"images\/remove-icon.png\"\/><\/a><\/div>'<\/span>; \/\/New input field html <\/span>\r\n var<\/span> x = 1<\/span>; \/\/Initial field counter is 1<\/span>\r\n \r\n \/\/ Once add button is clicked<\/span>\r\n $(addButton).click(function<\/span>(<\/span>)<\/span>{\r\n \/\/Check maximum number of input fields<\/span>\r\n if<\/span>(x < maxField){ \r\n x++; \/\/Increase field counter<\/span>\r\n $(wrapper).append(fieldHTML); \/\/Add field html<\/span>\r\n }else<\/span>{\r\n alert('A maximum of '<\/span>+maxField+' fields are allowed to be added. '<\/span>);\r\n }\r\n });\r\n \r\n \/\/ Once remove button is clicked<\/span>\r\n $(wrapper).on('click'<\/span>, '.remove_button'<\/span>, function<\/span>(e<\/span>)<\/span>{\r\n e.preventDefault();\r\n $(this<\/span>).parent('div'<\/span>).remove(); \/\/Remove field html<\/span>\r\n x--; \/\/Decrease field counter<\/span>\r\n });\r\n});<\/span>\r\n<\/script<\/span>><\/span><\/pre>\n