In the Router section, I try to check whether the user has access to the component using the higher order component (hoc). Therefore, check whether the user is logged in at the hoc. At this time, an attempt to access each page may be prevented or forced to move to another page according to the response value.…
Javascript Get the common elements of three arrays
I am trying to filter the common elements of 3 arrays. But instead of getting the common elements of 3 arrays, it only reads the 2 arrays and not the 3rd array. Here is my code, thank you: Answer As mentioned by @Titus, the issue in your code is the double return statements – once the first return is fo…
change color of words within an array
if i have an javascript array of words and HTML element holding a text How to use javascript to color in orange any word found in this element mytext of words list in the array keywords ! Answer You can use this code and replace the orange color with the color you want
React MUI Datagrid align column data and header with type “number”
I’m using MUI in my react project. When I set the type of a column to type: “number” the column header and data align to the right. I reproduced the issue at the simple example from MUI documentation: codesandbox The third column age has type: “number” and everything alignes to t…
Connection failed – trying to connect to the mosquitto broker using React native
I tried to bind MQTT with the react native. When trying to connect to the broker, when I run my code, After a few minutes I get the following error: here is the error Object { “errorCode”: 7, “errorMessage”: “AMQJS0007E Socket error:undefined.”, “invocationContextR…
How to Map/reduce a series of date bound values to a running total in JavaScript / RXJS?
I have an observable that emits measurement values with a date for a key. Something like: I need a 7 days running total and average for temp and hum. If I would have a a value for each week, I could write: However I need a running total where the values are accumulated like this: How would I design a
SetAttribute on a specific position in Javascript
I have the following iframe When I target iframe through getElementsByTagName like this It returns: It’s creating a problem for me because it is not working as expected. When I manually insert allowfullscreen at beginning it’s working well. This is the result I want instead What am I doing wrong? …
Axios Undefined Response
I am Developing MERN Stack Project. The problem is when I make the first API Call the first response is undefined and the map function gives an error ‘Map is not a function and it makes sense. the problem is i tried several approaches to prevent this from happening but it won’t work This is the Co…
Conditional link styling React
I want my nav bar to style the page title I’m in, im using React and Tailwind CSS, for example, just make the title yellow when im on the selected path. My logic to achieve that would be this but isn’t working: My rout code: Nav bar code: Answer Well at the end the problem was the path variable wh…
Trying to display images using JSON file in Javascript
I am trying to display different plane images on a canvas. I have a JSON file that includes the name of cities in an array: Now, I want to display images on a canvas in a random position on the canvas using random plane images corresponding to the name of the cities, and I’m not sure if I am doing