I’ve got a script from a friend, and tried to modified it. So that it highlights a string of numbers in a div. The problem is, that the output of the highlighted text becomes the regexp. Any solutions, what I’m doing wrong? https://jsfiddle.net/rrggrr/kgd4swha/6/ Answer Here’s a simple way o…
Tag: javascript
How to return an Immutable object from a factory function in JavaScript
I have a basic function accepts Temperature data as an argument and then perform a simple temperature conversion operation on the data How can we perform the same functionality using without mutating the object? i.e, the function should not mutate the argument passed in, it should rather return a copy I have …
Redirect to previous component on button click (React Routing)
I have a react component that renders when i click on a menu option, this page has a form to complete and that’s done, onSubmit i want to redirect it to the component that the user clicked before. I tried to redirect it with Redirect and also using useHistory(), but none of them are working, this is wha…
How to display a success message NgRX Effects and dispatch events
reducer: Effect: component.ts: on click of the method, an action being dispatched and following up with an effect, my case the api call is success and an success action being dispatched as well (in my reducer I set a flag to true), right after the AddUser action being dispatched from the click method, I’…
Using import inside lib.d.ts for intellisense in Visual Studio Code
I have a set of custom global variables in my JavaScript project and I want to use VSCode intellisense to help me with auto completion like this: auto completion for lol After some googling I found a way to use lib.d.ts in the same directory as the script. If lib.d.ts doesn’t refer other files like this…
Is it better to subscribe inside a subscription or use rxjs concat with tap
I reserve data in the backend, then I get all reserved data for that item. Getting the data must only occur after the reservation so that it will be included. I have two solutions, but wonder which is the best one and if there is any advantage of using concat with tap in this example: subscription inside subs…
Using external Vue component after build
I’m trying to make a website with plugins, the admin panel is all Vue.js, and I want the plugin to be an external component (Rating.vue, AdsConnect.vue), how I can do that, and is that possible? I think that the Eval function can help me, but I really don’t know; and, in case I can’t use ext…
How can I fill an empty JavaScript array?
I’ve looked all over online for something that could aid me to fill an empty array with given values the user inputs from a text box that will get stored inside an array. So far I have the following code: When I input something in the textbox and see what happens in the console it tends to replace the p…
how to add and remove number without duplicate in the state object inside the array in Reactjs?
The below code which i’m using to add the data in the state the code is my State is Given Below im adding numeric value from 1 to 30 but when i try to add same number it adds to the array i should not add it again please give me solution Answer before updating the state perform an evaluation
How to make scroll button disappear when scrolled to bottom
I made a scrollable with a floating button inside, which makes it scroll to bottom when clicked, How can I make this button disappear when the is completely scrolled to the bottom? Answer Heading ##add this html: Then add this to Javascript: Now for the CSS: