Dictionary is not the traditional data type of the JavaScript programming language, but the objects can be treated as dictionaries in some cases. To create dynamic forms in Django, I assume you have a basic knowledge of creating forms and templates in Django. In this article, we will discuss how we can create a dictionary in JavaScript and add key-value pairs in it. Object.keys, values, entries - JavaScript The es6 version of JavaScript comes bundled with a solution to this problem. I'll create an employee object below. How to add key/value pair to a JavaScript object? obj.name = 'John'. Methods and properties: new Map ( [iterable]) - creates the map, with optional iterable (e.g. Hence, JavaScript provide Object.keys(), Object.values(), and Object.entries() to solve the issue getting dependent on keys; Today, we are going to use all the above three methods to retrieve keys and values both from objects. What you calling array is collection indeed. In order to add key/value pair to a JavaScript object, Either we use dot notation or square bracket notation. JavaScript Program to Add Key/Value Pair to an Object Iterating key value array in javascript. javascript array push key value Code Example - Grepper The dot notation is the most commonly used way to access the value of the object.. To use this write the name of the object followed by a dot and then the name of the key. It works fine, but why all this extra typing? obj ['name'] = 'John'. Example person.name (where the person is an object and name is the key). We start with defining our form and view structure as below : forms.py: yes_no_choices = ( ('no', 'No'), ('yes', 'Yes')) class MyForm (forms.Form) : // Below is the desired JSON output that we wanted to have. Create Dynamic Forms using Django and Javascript There are multiple ways to add a key/value pair to an object: Use bracket [] notation, e.g. }; console.log (user); // {firstName: "Harshal"} As you can see in the above code snippet, we're setting the property using the . I need to figure out how to dynamically set the key:value pairs in this code below from a form that has dynamic values for form inputs. We create a class, Student, with two instance variables to hold key and value pair. The code works if I add the key:value pairs manually, but I don't always know what the form names are going to be as they are created by the user. How to iterate javascript objects key-value pairs in salesforce LWC The key needs to be a variable. What JSON structure to use for key value pairs?