According to MDN, we should most definitely not be using the .keyCode property. It is deprecated: https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/keyCode On W3 school, this fact is played down and there is only a side note saying that .keyCode is provided for compatibility only and that the lat…
Tag: javascript
How do I make a jQuery click event revert to what it otherwise would’ve been?
I have a click event that is on elements that by default have click events (<img>s, <a>s, etc.). What I want it to do at the end of the success callback is remove the click event I had attached in the first place, so that it falls back to what it otherwise would’ve been. How do I do this? An…
How do I use the Spacing Utility Classes in Bootstrap
In this article I saw Bootstrap 4 Spacing Utility Classes, and he uses m-b-lg in className. But when I use it on meteorjs with react nothing happens. Am I missing something or missing a plugin? Answer Refer to the Spacing (Bootstrap v4 alpha) documentation. The classes are named using the format: {property}-{…
How to use border radius only for 1 corner (react-native)?
How to use border radius in React Native only for 1 corner? I have a modal window As you can see bottom corners not rounded, it happens when I used backgroundColor for buttons. I was trying to set overflow hidden to modal wrapper and it didn’t help me. Now I want to use border radius to buttons (only fo…
React-Redux: Should all component states be kept in Redux Store
Say I have a simple toggle: When I click the button, the Color component changes between red and blue I might achieve this result by doing something like this. index.js container.js action_creator.js reducer.js but this is a hell of a lot of code to write for something that I could have achieved in 5 seconds …
Detect sound is ended in THREE.PositionalAudio?
I want to detect when sounds is ending, but all examples that i found not working. Live example: http://codepen.io/anon/pen/wMRoWQ Answer Three.Audio is wrapper around a buffer source audio object. https://github.com/mrdoob/three.js/blob/ddab1fda4fd1e21babf65aa454fc0fe15bfabc33/src/audio/Audio.js#L12 It looks…
Deselect all selected rows in DataTables
I’m using jQuery Datatables plugin (v 1.10) I am using the select feature and can highlight/select rows fine. I’m also using paging. I can page through the tables and select on multiple pages. I tried to create a button to clear selected rows, but it only clears rows selected on the current page. …
How to pass parameter to a promise function
this might seem a silly question but I am a newbie in this topic. I am working on promises on node js. And I want to pass parameter to a promise function. However I could not figure it out. and the function is something like Answer Wrap your Promise inside a function or it will start to do its job
Retrieve naturalWidth of updated image src
I am using jQuery in Rails4 to update the src attribute of an image. I am also using paperclip for image uploading. The flow: when I click the image in the first time, it returns the thumb width(140px). However, the subsequent clicks return the natural width of the original image(1200px). Is it possible to ge…
What is 100% in calc function
Within the css calc() function, what does 100% refer to and what is the equivalent code in JavaScript? JSFiddle: https://jsfiddle.net/xoufnm6v/ Answer 100% refers to 100% of the width of the parent element. This calculation gives the current element a width 100 pixels narrower than it’s parent.