I’m a JavaScript beginner, I want to get the option’s value but in my current code I’m getting its text content. Example of what I need: User selects option “Blue” -> textarea receives value “sky is blue”. Then on button click “sky is blue” is copied to…
‘failed to create second instance’ error in npm themeparks module in Azure Function
I am trying to use the npm package themeparks to extract information for a database. I want to call themeparks every half hour. Perhaps someone with experience in using themeparks can help me. When I test an Azure function using themeparks I get this error. 2020-12-13T22:20:14.430 [Error] Executed ‘Func…
Position only the label of a parent node over the edge to a children node in Cytoscape.js
I am trying to create a compound node in Cytoscape.js with labels and an edge from the child node to another node. If you run the snippet below and move the b north of a, you see that the label of a is below the edge between b and a-1, which I don’t want. I could set z-compound-depth of a
Using jQuery val() to send form data and using FormData to send for data
I tried to send a file using an Ajax POST request using two methods: Method 1 (jQuery val()) – Method 2- (FormData) Now, Method 2 worked, but Method 1 did not. What is the reason for that? Answer $(‘#fileinputid’).val() only gets you the file name. You can not upload a file with that. FormDa…
D3 update color based on data
I’m drawing and coloring lines based on data with D3. I now want to update the color of these lines based on different features in the same data set but my color-changing function (colorP2) does not work–I know this color change looks useless, but it will later be triggered by a button. Any ideas?…
Push data into existing array using javascript
I am trying to find a way to build my custom array, but I am not able to do so. What I have done so far: I have my array constructed like so: const super_array = []; Further down into the code, I want to assign new data to the array, like so : Result: Right now, I get the
how to can i merge two functions into single function?
i want to make a table with JavaScript and i am fetching data from Api so i have created two function and i want to merge these functions in to single #output. my one function is fetch data from api and render out in table, second is fetch data from Api for filtering the data. index.js Answer Basically just d…
how to add tab component and load pages in tabs in react js app?
I have a react js app, that i’m working on. I created a myfirstcomponent, which call a rest api and displays some json data. Now I want to expand my app and add more components, say mySecondComponent. but i want to make it such that i create tabs for this. so I researched and based on the tutorials, i c…
Jest: TypeError: replaceAll is not a function
String.prototype.replaceAll() is a useful method and while building and executing everything works fine. However, all Jest-tests fail with the following error: These are my dependencies: How can I fix this behavior? Answer The problem This happens because replaceAll is a new function not implemented in all br…
child elements usage in shadow dom
Is there any constraint that’s preventing <thead>, <tbody>, <tr> and so on to be slotted in shadow DOM? Given the following example: renders into the following structure: The workaround would be to use templates and insert template content with JS in slotchange event handler, but I wou…