Basically I have two HTML pages, and both are connected to the same JS file. I want a function triggered by an event handler element in the first HTML to edit an element in the second HTML page, and …
While printing my function, the string is printing out a double set of commas?
The assignment is to create our own snap-crackle game from a function. I believe I did step one of this correctly, now I’m on step two, and it’s printing what I want it to print, but the string has …
Add a new image with the existing image list in firestore database
I have already two images in the firestore database, I am trying to add a new image to this list? How can I add a new image to the existing image list? Answer To add another array to the postImg, you can: Also see the Firebase documentation on adding items to an array.
React – changing state not updating elements rendered from variable
So, I have stored a component in a variable const span = <span>{this.state.text}</span>. Now when I render this element and update the text within the state. The element is not re-rendered. So this is my code So even after updating the state, the span has the initial value of the state. Is there a…
How to fix the TypeError ‘Cannot read property ‘download’ of undefined’ from browser.downloads.download using Puppeteer
I am using puppeteer to login into my account of a content provider I work with and download a lot of zips. I can easily get the array with all the links I need to download then I loop through the array and use browser.downloads.download (code taken from MDN) to download each link. The problem is that even be…
Getting the error: “data.id is undefined” while iterating a JSON array
Trying to log the data in the array but getting an error: data.id is undefined This is the JSON array which is being mapped: Answer You are logging the main array instead of the mapped item, try changing to:
D3v6 nested graph – nested join()?
I want to visualize the “children” insight each node. I guess the D3v6 .join() function can be nested. Unfortunately I can´t find any example. The snippet below contains an outerGraph with 3 nodes and children as attribute. So far those children aren´t used yet. The innerGraph instead visualize th…
How to change marker label color of react-google-maps
I am using @react-google-maps/api library. I’ve integrated google map but I am facing marker label color, I tried very hard but didn’t find any solution. Could someone please help me with how to resolve this issue. Answer Try this: label: {text: `${id}`, color: “blue”}
Is it possible to define new data types in JavaScript?
MDN says there are nine data types in latest JS spec. I wondering if these are the only nine data types that the spec allows programmers to use. Just to clarify, I think programmer-defined functions/constructors internally using prototypical inheritance are still Objects, so do not qualify as new data types. …
Match text between single quotes, double quotes, or no quotes at all
I’m trying to parse CLI-like arguments that could be enclosed in single quotes, double quotes, or no quotes at all. Here’s an example of what I’m trying to get: I’ve found a lot of similar questions, so this is what makes it different from them: It’s important that it matches the…