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Tag: javascript

how to add or remove class in vuejs 2 based on id

I want to add or remove class to an element based on id using vuejs, but this code applies the behaviour to all elements. How can I add/remove a class to the element by id? Thanks all in advance. Answer Here is an example of using components to achieve the behavior you are looking for:

Regex for not containing consecutive characters

I can’t figure out javascript regex that would satisfy all those requirements: The string can only contain underscores and alphanumeric characters. It must begin with a letter, not include spaces, not end with an underscore, and not contain two consecutive underscores. This is as far as I came, but &#82…

JSON to XML Using Javascript

I am trying to convert the JSON to XML but not getting exact output.In My JSON having array object it not converting that to XML array.Mainly array object is not converting into XML as expected Actual Output: Expected Output: Please guide me if i am missing anything from the code to get my expected result Ans…

Promise.resolve vs resolve

I have this code: And It resolves promise after one second going to then and console.warning ‘First then!’. But when I change line: for It won’t work. Some idea why ? Also tried But it also doesn’t work. I don’t know why. Can you help me understand it? Answer The new Promise cons…

AddThis Layers in Full Screen mode

I’m making a slideshow with full screen functionality (FancyBox 3), it’s using the RequestFullScreen method on the container div, which means any other element in the body is not accessible in full screen mode. (correct me if i’m wrong) I would like to include an AddThis Expanding Share butt…

Excel Add-in: How to create a range?

I am writing an Excel add-in in JavaScript. What I need to do is find the currently selected cell, then create a range object that is 4 columns wide and X rows high, with the selected cell at the top left of the selection. I know how to find the currently selected cell, but I don’t know how to either

asserting against thrown error objects in jest

I have a function which throws an object, how can I assert that the correct object is thrown in jest? https://repl.it/repls/FrayedViolentBoa Answer If you are looking to test the contents of a custom error (which I think is what you are trying to do). You could catch the error then perform an assertion afterw…