How to send data of HTML form directly to JSON file? A tiny yet effective jQuery Form To JSON converter that converts form fields and their values into a JSON object on submit. JSON is a human-readable format for storing and transmitting data. For a full example of using the FormData API with lots of different input types, check out this CodePen (the form values get printed below the form on submission). Want to know How to store Form data in Local Storage using HTML and JavaScript? Edit the file. What JSON looks like. If Ive filled out the form above completely, wed want the resulting object to look like this: Each fields name attribute is used as the objects key, and the fields value is set as the objects value. If you need to send a password (or any other sensitive piece of data), never use the, If you need to send a large amount of data, the. This is a sensible default, but for the sake of illustration in our app - we'll prevent it and display the data on the right-hand div. Our criteria for determining a valid element are: NOTE: The includes() method is an easy way to see if a value is present in an array. No hotshot for this one, be my guest. Let's see the example first. When we return data, we make the updated object available to the next call of the funciton, which allows us to add each field to the object, one by one. Does it remove duplicates? TODO: Call our function to get the form data. We want to send the data of our HTML form directly to the JSON file. How to load JSON data in DataTables from text file for pagination ? Here's a way to do it in a more functional style, without the use of a library. There's no way to magically update a file on the server from javascript running in the browser. The two most important attributes are action and method. Demo only: print the form data onscreen as a formatted JSON object. Allowing that would let a malicious user put anything into that file, or, depending on configuration, any other file the server can access. In the description is also mentioned that: If the value has a toJSON() method, it's responsible to define what data will be serialized. You can even save your form data in a text file. Object.fromEntries() throws away duplicates and only keeps the last one. So in this walkthrough, well be writing our own script in plain JavaScript to pull the values of a forms fields into an object, which we could then use for AJAX, updating information on other parts of the page, and anything else you might want to do with a forms data. For the purpose of this article, we'll use the forEach() loop in JavaScript. The closest you can get probably is to write a simple script that runs server side, and saves everything you, just for training purposes, if i can do this, plz help me. Sending files with HTML forms is a special case. Visit Mozilla Corporations not-for-profit parent, the Mozilla Foundation.Portions of this content are 19982023 by individual mozilla.org contributors. Find const data = {}; inside the function and replace it with const data = formToJSON(form.elements);. He helps companies build world-class devrel teams and blogs at jason.af. #dom How to set the default value for an HTML element ? @Liam Have you tried this with form elements ? You could also use forEach on the FormData object directly: And for those who prefer the same solution with ES6 arrow functions: And for those who want support for multi select lists or other form elements with multiple values (since there are so many comments below the answer regarding this issue I will add a possible solution): Here a Fiddle demonstrating the use of this method with a simple multi select list. This function will accept each options, check if the selected property is true, then add its value to an array called values, which will ultimately be returned containing the values of all selected options. Note: You can find this example on GitHub see post-method.html (see it live also). Im not a big fan of this input type, because I think its a confusing input for people to use one thats easily replaced with checkboxes but for the sake of covering bases well plug it in. First, lets add a new function to check whether or not an elements value should be considered valid for inclusion in the object. @mishka First Name, Middle Name, Last Name, User Name, Password, Confirm Password, E-Mail, Phone. You can also make the for of statement more expressive if you're using ES6: @nackjicholson Yeap, you are right, omitting .entries() and the [k,v] element simplify the code. This doesn't work with multi select form elements since they share the same key you end up overwriting the values returning only the last selected element, @Sean I gave an answer that works with multiple values for. The simplest explanation for reduce() is this: The reduce() method uses a function to convert an array into a single value. For this we are using json_encode() function which returns a JSON encoded string. How to take HTML form data as text and send them to html2pdf ? If you really want to handle it from the client, then you would have to resort to using JavaScript to: gather your data from the form via DOM organise it in an object or array generate JSON with JSON.stringify POST it with XMLHttpRequest * Retrieves the selected options from a multi-select as an array. This is simple enough: we just check if the type is checkbox: Second, we need to add a check for a select element with the multiple attribute. var mongoose = require('mongoose'); var Schema = mongoose.Schema; const postSchema = new Schema( { title: { type: String , required: true}, description: { type: String}, }); var Post = mongoose.model('Post', postSchema); module.exports = Post; content_copy COPY Each time you send data to a server, you need to consider security. I am arriving late here. Because the body is empty, if a form is sent using this method the data sent to the server is appended to the URL. We should see {} in the Form Data output box. Always. How are we doing? The GET method is the method used by the browser to ask the server to send back a given resource: "Hey server, I want to get this resource." The server answers the request using the same protocol. And thats because it seems pretty intimidating to set up all the loops and checks required to deal with parsing a form and all its child elements. For example you can have the following form fields: If you are using lodash it can be done concisely with fromPairs. And, since we covered validation in the previous article, we're ready to submit! Connect and share knowledge within a single location that is structured and easy to search. Instead, we want to add each field to an object with a format like this: The data object is the previous value of the reducer, and element is the current form element in the array. Which HTTP method is used to send the form-data ? (Even if its not something wed ever use in production, writing our own utility scripts is a fantastic way to increase our understanding of how things work. Supported form data: 3.