I am currently outputting the user click co-ordinates to the console and saving the file manually. I am trying to output these coordinates to a json file on the server which will be updated every time the user clicks. However I am not managing to do so with my current code. Answer There are quite a few things…
Tag: javascript
Using _ (underscore) variable with arrow functions in ES6/Typescript
I came across this construct in an Angular example and I wonder why this is chosen: I understand that the variable _ means don’t care/not used but since it is the only variable is there any reason to prefer the use of _ over: Surely this can’t be about one character less to type. The () syntax con…
No value accessor for form control [duplicate]
This question already has answers here: Angular4 – No value accessor for form control (4 answers) Closed 8 months ago. I’m using Angular2-rc5, and I’m currently getting an error on my login page. I’m trying to make a form but the console throws exceptions telling me that it can’t…
Reload a page with location.href or window.location.reload(true)
I need to reload a page in a success of an ajax call. I’m seeing some code (not mine) and there are two ways: or Is there any difference in the behaviour? I know the difference of both location and window.location but in terms of do the job? Answer The main difference is follow: window.location.reload()…
npm install the exact package version specified in package.json
Currently, If I run npm install, it installs the updated version of already installed packages. How can I install the exact version as specified in the package.json file? Answer That behavior is really driven by the one specifying the versions in the package.json. If the version number looks like “1.0.0…
Select2 on change event is not working in Vuejs
I was working with select2 in vuejs , I found vuejs is not working with jquery select2 as vuejs is working with navite html. I am using this code Please share your reply to handle this problem. Answer To get this to work with a directive, we need to understand how v-model works. From the docs: is just syntact…
Javascript generate unique number based on string
Lets say I have a string var input = “Foo” and I need a 100% unique number from that string, I tried something like But this generates duplicates like W8M and YSM and both return the id of 149. Is there an algorithm for something like this? Answer You want a hash function. Hash functions are gener…
How to catch form submit with Backbone.js
When I test and click my apply button after I put in data in my input fields, I get a file not found error. The Login button is a dummy button with no functionality to it. I want to only display an alert box that says “You logged in as (user name here) Succesfully!!!” after apply is clicked. Answe…
How do I display the content of React Quill without the html markup?
I managed to get my Quill working, but now I wanted to make a nice splitscreen as we have on this forum but one thing I haven’t been able to figure out is how to convert the input of Quill to nice text on the preview side. I’m able to display the text but it still has all the html
Components using Date objects produce different snapshots in different timezones
I’m using Enzyme with enzyme-to-json to do Jest snapshot testing of my React components. I’m testing shallow snapshots of a DateRange component that renders a display field with the current range (e.g. 5/20/2016 – 7/18/2016) and two DateInput components that allow selecting a Date value. Thi…