I have a file input, with a label. I wish to be able to open the file browser in four different ways: Clicking the file input button Tabbing to the file input button and hitting enter Clicking the file input label Tabbing to the file input label and hitting enter However, only options 1-3 work out of the box?…
Category: Questions
Why my states are not resetting my input to an empty string?
I´m creating a simple login page, but i can´t make those two inputs email, passwordturn blank again when users introduce correctly theirs login info. They are resetting correctly all the others states, except these two setEmail(“”),setPassword(“”). I´m using the MUI library. Here is wh…
Javascript: sort Array of objects by external map (or external K.V pairs)
Pretty novice JavaScript user here. I questions of this type seem to be quite common, I promise I looked around for a while, although I may have missed something. I am trying to sort an array of objects by values in a separate datastructure (map or object of k,v pairs) Data to sort with (this is the result of…
how can I show the number of items in an shopping card icon from javascript
I have a shopping cart icon from FontAwesome in which I want to assign the sum of items selected from inputs. I’ve added the number of items using a JavaScript function but I can’t manage to show this number into the icon content. The content value of the icon is taken from the HTML attribute valu…
Typescript optional object argument craziness
so I am trying to make a object parameter optional, with optional props, and have a default value at the same time: this works fine, but notice that crazy function definition! Any way to not repeat so much code? Answer I would probably write this like this:
Error: Call to function ‘ExponentImagePicker.launchCameraAsync’ has been rejected
I’m trying to to make the user take a photo with “expo-image-picker” module using the “launchCameraAsync” function, and at first everything worked out fine, but now when trying to make the user take a photo, expo throws an warning and does not activate the camera, the warning is:…
Change meta title based on url #id
I have a static html website. Our server does not support php/c# etc… Can JS / JQuery / Ajax or others do the following: If the url is: Https://example.com/page , the meta title will be e.g. “home page”. Https://example.com/example#1 , the meta title will be to “new meta title” Https://example.com/example#29 …
How to add getter with string method inside an object
I have an object called headers. Inside which I want to add certain headers with some random value like: The config paramter is used to client which is used to send http requests. And the randomid is some id generated by a load balancer. So it will we different for every request. We dont want to create a new …
How to not re render the parent of a child component?
I’m having re-rendering issues, any help is greatly appreciated. I tried useMemo and useCallback and it broke the checkbox. I have a component, and inside that component, I display some info in my object. I have let’s say an object as such: The issue is that every time I click my checkbox it rerenders t…
React simple maps renders the inverted polygon from the topojson
When I add a polygon, the entire area of the map is filled, and the polygon is “cut” out of it. I expect a simple polygon to be rendered. Here is a live example https://codesandbox.io/s/lsz8qh This is my topojson ` rendering now what polygon i expect to see Answer Because the coordinates in the ar…