I have products.json in which I have data. Now, I wish to render it using Reactjs. products.json app.js I want the json data to be rendered through app.js. My Take On: I’m new to Reactjs and JSON and was thinking of using fetch, response but I’m not sure how can I do it. Can someone please help? A…
capture error from catchError – http.post
component which is calling submitUser Here is the service file with submitUser function and here is the httpService Post and handleError methods handleError adisplays the console error, I am trying to return/capture this error in my submitUser function in service.ts How do i do that ? Any Inputs appreciated, …
HTML datalist get value into textarea
I want to get the value from the datalist and display it in the textarea. Therefor i used the script “selectProgram”. But why is there an additional input textfield when i use the select tags? When i remove “select” the input field dissapears. I just want the datalist appearing with th…
activities of bot update informations
I put it in the status to show how many members are online of the total number, but it does not update the real number, only when the bot is restarted, is there any way that when this activity arrives, the information appears with the new data? Answer You need to regenerate the Strings in the Array every run:
Firestore data aggregation of documents
I’m creating an expense tracker app, where the user can set a monthly budget (ie. $3,000) and a field ‘total spending for the month’ would update each time a user adds an expense. How would I do this using Firestore Database? So far, I have the expense record stored in a subcollection inside…
Print family names in a hierarchical tree structure
There is an array of data objects which have parent and child relations in it. I’d like to print the structure of the tree by level, printing only the names. If there is no parent information indicated then it is the root node. Sample input: Output: I tried using reduce to get the object structure but c…
Add array to multidimensional array using js
I want to add to existing array new array: Final result: Tried var value_list = [new_array,value_list] but no success Answer this is probably what you want to do: OPTION 1 – My personal choice OPTION 2
Data is not being recognized in table in vuejs
I’m trying to call a get API to populate an array with details and show it in a table in vue.js but the console throws this error Here’s the code that I have written, I am able to receive the results from console.log() and here are the results Can someone please explain why I still get this error …
TypeError: Cannot read property ‘title’ of undefined Reactjs
I dont know why i have this error!! At first time i dont have any error and its work But when i refresh the page i have this error: TypeError: Cannot read property ‘title’ of undefined or TypeError: Cannot read property ‘image’ of undefined Content.jsx : Answer The issue is here: here …
jQuery sort different class elements by attribute
There is two arrays that display information appending elements to the document. They are being printed in ascending order, but when it comes to organize them all, I can’t organize them individually by data attribute. This function does the sort but can’t mix different element classes: Before the …