I’m using the most recent release of Bootstrap Notify (v3.1.5) to show status messages after an AJAX call. It works as expected in the first call. After the first execution, every time the notify is called, its shows the previous notifications message. Example: 1st call = 1 Notify message; 2nd call = 2 …
Tag: javascript
how use npm packages with Vue SPA
i have created Vuejs app using vue-loader,now i need to use an installed npm package as follow : but i have this error : dose Vuejs require a special type packages or it can work with any JavaScript package and this error can be solved Answer Plugins are specific Vue packages that add global-level functionali…
Highlight syntax in contenteditable
I have a contenteditable div I want users to type in. When users type inside the box with onkeyup, I activate a function that changes the color of certain characters: What this code does is it takes every < sign and every > sign and turns it into a gold color. However, when I do this, I am no longer
Bug reporter: Alternatives to getDisplayMedia?
I am trying to implement a bug reporter on my website. My goal is that the user will be able to describe the problem audibly and record the browser tab while walking through the problem. The bug report will then just be a video file, which can be emailed to me. It appears that the proposed navigator.mediaDevi…
What does ||| mean in JavaScript?
I’ve googled this and searched through the JavaScript documentation but I can’t find any mention of this operator: a |ǀ| b When I try the operator on its own I get an error but when I run the following code it runs perfectly fine: Changing the values of a and b would suggest it works like || but I…
TypeScript & React – one onChange Handler for multiple input fields
Say I have a form with multiple input fields. In normal ES6/React I would create a single method that all input fields would point their onChange handlers to. Something like this: This helps in the case where you have a lot of form elements and don’t have to create a specific method to handle each of th…
How to throw an error inside of a call back, and catch it outside
Intro Inside of this jQuery(document).ready() function, inside the anonymous function, I am throwing an error which gets caught inside of the second catch block. Then I am throwing an error inside of that catch block AND trying to catch it outside in the first try catch block. Questions. Is this possible? BRO…
Static Methods and Angular 2 Services in JavaScript ES6
While coding an app with Angular 2 and multiple calculation services I faced the following questions: When do I use static in a Angular service provided on application level? Is that nonsense? How does a static method reflect on performance? Lets say a couple hundret objects call at the same time the same sta…
Vue $route is not defined
I’m learning Vue router. And I want to made programmatic navigation without using <router-link> in templates file. My router and view: So by default I push to ‘allVideos’ route and inside that component I have a button and method for redirecting to ”editVideo’ button: metho…
Optimizing native hit testing of DOM elements (Chrome)
I have a heavily optimized JavaScript app, a highly interactive graph editor. I now started profiling it (using Chrome dev-tools) with massive amounts of data (thousands of shapes in the graph), and I’m encountering a previously unusual performance bottleneck, Hit Test. This takes up 65% of everything (…