How to mark end of the row when using match() function? From this page I need to pull out “2021 JANUARY 18 MONDAY” When somethng exists after desired string I’ve used this code: but now I can’t Answer Here’s how that date format can be matched in a string:
Tag: javascript
I want to change the color of an image inside a image in html5-canvas
I’m using canvas to make a badge. To draw the image I used the code : The preview is like this. canvas-image Now, to color the images, I’ve tried using different blend modes. It works fine when I work it around for the background that is image. I tried to do it for the iconImage the same way, but …
error when a non bot member comes online (presenceUpdate)
I am trying to get my bot to send this message when a bot goes online or offline. it works sometimes but when a human member comes online i get this error: UNCAUGHT EXCEPTION TypeError: Cannot read property ‘user’ of undefined. My code: Answer If we assume that this code is server side: Definitely…
Modifying The Preloader To Output A Different Letter
I have the following preloader code: So I basically want the output to be H instead of Z it currently displays. I tried changing the measurements in the CSS file but I would totally get a different output, and I basically want to make it so it outputs the letter H instead of Z I also tried changing this code
nuxt 2.14 generate does not update asyncData
I’m following closely to this feature (https://nuxtjs.org/blog/nuxt-static-improvements/#generate-time-cache-vs-full-webpack-build) I may be getting this wrong, but I hope to clarify if I can use this feature correctly. Basically, I want to skip the webpack build as highlighted in the article, and build…
JavaScript – using named constructors
I have been using dart OOP a lot lately and there we used to have named constructors like DateTime.now(). How do we use the same functionality in JavaScript, with a default constructor and other named constructors for the class ? Answer You could do this like this:
What difference with them? ‘!arr.length’ and ‘arr.length=0’
What difference with them? ‘!arr.length’ and ‘arr.length=0’ i can’t understand well 🙁 Really appreciate it, if you explain it logically. Thanks.. 🙂 Answer They are completely different. !arr.length will evaluate to true if the array has no items. It will evaluate to false if the …
Setting localStorage using fetch
I am creating a weather dashboard and am trying to save the city name to local storage. I already have the logic written to have the city post in the history section I just can’t get the data to stay there after I reload the page. I have checked and it is saving to local storage but just not retrieving
Chrome extension image change not persisting
I’m experimenting around with creating a Chrome extension (Opera actually but I don’t think that matters) that uses two text boxes as input to generate the path to an image to render, but the image never appears. manifest.json home.html home.js The weird thing is that when I debug my code, the cor…
Passing multiple parameters to Vuex action
I have the following method in my Vue Component I want to pass the parameters (this.urlWithPage, query) to my Vuex action as follows: The problem is that the first parameter url is returning a value but the second one query is returning undefined. My mutation is as follows: How can I get a value from the seco…