I’m using Pixi JS and detecting the mouse position via a simple event handler: However mouseX and mouseY are being updated when the mouse is outside of the stage bounds (the <canvas> element on the page). Is it possible to limit the mousemove event to within the stage? I’ve tried stage.hitAr…
Tag: javascript
Cant cancel Axios post request via CancelToken
This code cancel GET requests but cant abort POST calls. If i send GET requests first and i dont cancel them via abortAll method,they just finish by themselves this token cancel by itself and doesnt work on next requests? What am i missing? Thanks,John Answer I have found out that you can cancel post request …
Trigger CSS Animations in JavaScript
I don’t know how to use JQuery, so I need a method which could trigger an animation using JavaScript only. I need to call/trigger CSS Animation when the user scrolls the page. Answer The simplest method to trigger CSS animations is by adding or removing a class – how to do this with pure Javascrip…
(change) vs (ngModelChange) in angular
Angular 1 does not accept onchange() event, it’s only accepts ng-change() event. Angular 2, on the other hand, accepts both (change) and (ngModelChange) events, which both seems to be doing the same thing. What’s the difference? which one is best for performance? ngModelChange: vs change: Answer (…
Saving canvas to JSON and loading JSON to canvas
I want to make it so that when I press the save button, file explorer opens and opts me to choose location to save the JSON file of the canvas. I also want to be able to load the canvas with the JSON file via the load button. How can I get started with this? Any help is appreciated. Answer
Substitute variables in strings like console.log
I want to substitute variables in a string like console.log does. What I want to achieve is something like this: I am not able to figure out how to do that. Any help will be much appreciated. Thank you. Answer You could prototype it to the String object. Something like this:
AngularJS Multi-slot transclusion
I am trying to implement a component in AngularJS 1.5.8 with multi-slot transclusion. My test works fine if I use a directive, but with a component, it seems like not even the slot is found!. This is how I declare the component And here the HTML Official AngularJS documentation says In AngularJS, a Component …
How to add Google Authenticator to my website?
I have a web app that is Angular2 on the front-end and NodeJS on the back-end. I want to allow clients to use Google Authenticator to make their accounts more secure. How can I implement/use Google Authenticator in my website? I cannot find an API to use or and tutorials to follow or any libraries to use. Whe…
VueJs dynamic v-on event possible?
Is it possible to set dynamic on event in VueJS? I try to build a dynamic form as component with inputs that can listen on everything. Here an example: Is it possible to set a dynamic v-on event like v-on=”<variable>:<function>”? Answer From Vue 2.4.0+, v-on accepts an object syntax Re…
Vue making a variable available in all components
I am currently reading out a language setting from the dom and setting it as a global Vue.js variable like this: It works fine but I have also seen this as an example from a Vue.js event bus: What is the real difference between these two and is there possible a more preferred way of doing this? Answer Object.…