Lately I read that for every primitive data type, a wrapper object is created. It is this wrapper object what makes it possible to use methods with that data, and that makes sense. I also read that functions are objects. I found out that I can visualize the function-as-an-object through console.dir(). However…
Tag: object
JavaScript Expense Tracker Calculator – Subtraction
Im trying to do a expense tracker with vanilla javascript that user can can add/remove their expense item and the Total of expense will be calculated accordingly. I am using constructor to create object so later I can save in localStorage later and retrieve later (hv not done this part yet) Here is the proble…
How to get the object property and its property value if the property value is not null then transform the object property?
I have an object here that I want to get the property and property value if the the property value is not null. Then transform the object property into “area” into “location” “name” into “fullName” “schedule” into “date” Is there a way to…
Problem retrieving information from the page and submitting it to the JavaScript object constructor
I wanted to create a simple form on the page with a few inputs and button and by receiving information from the inputs. I try to put the person’s information on the screen, but the web page does not display the information well, but only shows [object Object]. Answer demo is basically a Object, which yo…
String cannot be converted into JSON in Javascript
I am getting error: base.js:1 SyntaxError: Unexpected token O in JSON at position 82 at JSON.parse () I tried various methods but nothing works. Can anyone tell me why this error is occurring and how can I fix it? Just for the context, self.str contains a string value that I have obtained from an API response…
The difference in syntax for updating an object item
What is the difference between: and Answer The first is an assignment to cartItem, while the second is a mutation of the object held by cartItem. The first creates a new object. The previous value of cartItem referenced an object that could still be referenced by another reference. Demo: So there is a differe…
Get parent, grandparent and key in the deep nested object structure
I have a deeply nested structure in the javascript object without any arrays in it. When I call the function with a target, I want to get the taget key itself, parent and grandparent. For example, if the target is ‘c’, arr should become if target is ‘greatgrand’, it should become Thank…
how to insert deep in object
I have this object with tables: An I would like to insert dynamicly a new table. I tried this: But it overwrites my exsiting entrances. This will also not work: How this will work? Answer For a more reusable solution, take a look at this SO question – you want to deep merge the new object with the old o…
How does one access properties within a nested array and object data structure?
How can I access properties within a nested array and object data structure. I wish to access the data within the sub property of the object. However as you can see the sub property values do feature objects as well. So here is my code where I am using loop to access the property within this objects which wou…
How do I make @click of a div that is receiving looped data of an API the div popups a window showing the rest of the keys in each object in the API
The div with {{user.name}} when clicked I want it to show the rest of the details in the Api like user.email, user.occupation, in a new window, Api data is coming from store. am still new to vuex. Answer Add click event listener to div with .native modifier if you are using Vue 2 or without if you are using V…