Tag: javascript

Vuejs doesn’t render components inside HTML table elements

I want to render a custom component that displays a row inside a table. I have the following code: The problem is that the row ends up rendered outside the table! Like this: You can check it out in this JSFiddle https://jsfiddle.net/eciii/7v6yrf3x/ I’m not sure if this is a bug or I’m just missing…

Render a list of names alphabetically and grouped by their first char

javascript reactjs

I need to render a list of names alphabetically and grouped by the starting letter of each name. It should look like this: My current solution can sort all the names that is contained within an object, but I am having trouble adding the starting letter as an element before the names (e.g. rendering ‘A&#…

Configure devToolsExtension and applyMiddleware() inside the React-Redux Store

javascript react-redux reactjs redux redux-devtools-extension

I am unable to figure out the exact way to use devToolsExtension and middleware at the same time in the redux store. Below is my code for the redux store. As createStore() takes 3 arguments. Before applying middleware thunk I was using it as the below code which works fine for me. Now, I need to use devToolsE…

Shiny: Using enter key with action button on login screen

javascript r shiny shinyjs

I created a login screen for my Shiny app and would like users to be able to use the Enter key instead of having to use the mouse to click the OK button. I found an example that looks like it solves it for an input form but unfortunately, it does not work for my example. I am imagining it

Call php function with onclick event?

javascript jquery php

I want to delete project from database.Before deleting I want to confirm it whether user want to delete or not.If user click on okay it has to call delete function.But in the code when user click the function is get called not only user click on okay but also click on concel.For other alter statement it is wo…

Why is [0] needed for getElementsByClassName to work when there’s only one class to select?

javascript

I tried using let modal = document.getElementsByClassName(‘modal’) to select an element with the class modal. It only worked after using node selection to select the first result: let modal = document.getElementsByClassName(‘modal’)[0]. I know the method Document.getElementsByClassName…

Listen for global events on a Web Component

custom-events dom-events javascript web-component

I have a main.js that makes a call to an API and receives a response object. After the response, I want to fire an event that my Custom Web Component is listening for. This event works in the main document. I’ve attached a listener to the main document to test but it is not heard on my custom component.…

How to add custom matchers to jasmine globally?

jasmine jasmine-matchers javascript matcher

I’d need a replacement for the jasmine.addMatchers function gone in version 1.3. The current API allows to add matchers to a describe block, but I’d prefer to be able to use my matchers everywhere without adding them again and again. Is there a global way to add own matchers to jasmine 3.1.0? Answ…

FabricJS: Vertical Align text center

canvas fabricjs javascript

I am using fabricjs 1.5 and I am stuck on aligning the text in the middle of the line vertically. I am using this code to set the line height It changes the line height of text on canvas but text always remains at the top. I want it to be in the vertically middle. Please help. Answer You need