Is there any way in Jest to mock global objects, such as navigator, or Image*? I’ve pretty much given up on this, and left it up to a series of mockable utility methods. For example: Testing this tiny function is simple, but crufty and not deterministic at all. I can get 75% of the way there, but this i…
Author: admin@master
Video.js changing source, but does not show new source
Sorry for my lack of knowledge on this topic I have a script that changes the source of the video player. And it does just that. The only problem is that the Video.js player plays the first source assigned to it. So if there were two buttons, and you clicked Button 1 it would change the source of the player
How to get a span from a div by span text in jQuery
I have a div where I have some span. Now I need to find a specific span based on its text. What can I try next? Here are my attempts below: but it gives the following error in console: Uncaught Error: Syntax error, unrecognized expression: unsupported pseudo: span Answer Use :contains() pseudo-class selector.…
Chrome Extension: detecting keypresses in Google Docs
Hey my friends and I new to javascript and are encountering problems with some code. Currently we’re trying to make a chrome extension that detects when and how much a user works on a particular google document, by detecting keystrokes. Our current method involves creating a ‘keypress’ event…
show 2 items per row[react native]
I am learning react native and in all the tutorials i see ListView has been used with only 1 items per row. I have not used ListView, though. I have only 6 items that has to be shown as flat grid with 2 items per row and should be responsive. I know its a basic question, but i have tried
What’s the correct way to pass props as initial data in Vue.js 2?
So I want to pass props to an Vue component, but I expect these props to change in future from inside that component e.g. when I update that Vue component from inside using AJAX. So they are only for initialization of component. My cars-list Vue component element where I pass props with initial properties to …
Get timezone from users browser using moment(timezone).js
What is the best way to get client’s timezone and convert it to some other timezone when using moment.js and moment-timezone.js I want to find out what is clients timezone and later convert his date and time into some other timezone. Does anybody has experience with this? Answer This returns the differe…
Hide and Unhide div with the same button
I am using a code that unhides a hidden div. HTML: JS: How can I make the same button hide the div after clicking it again? Is it possible to alter the code I am using now? Answer use toggle to simple hide and unhide div
Retrieve data from a ReadableStream object?
How may I get information from a ReadableStream object? I am using the Fetch API and I don’t see this to be clear from the documentation. The body is being returned as a ReadableStream and I would simply like to access a property within this stream. Under Response in the browser dev tools, I appear to h…
How to Create html table like structure using fabric js?
I am trying to build schema builder similar to vertabelo. I’m using fabric.js for interactions. How can i create html table like structure where i can add columns and their types as shown in the image. Answer Use Html Table inside svg as shown below and convert it into image and use it as fabric object