I’m new to js and have a cart in a webstore I am making for a Javascript assignment, and I can’t get my total price working which displays on the webpage when the user clicks on items to add to the cart. Here is my array of items, any help would be appreciated, thank you and here is my display
Tag: javascript
How does `Array.from({length: 5}, (v, i) => i)` work?
I may be missing something obvious here but could someone breakdown step by step why Array.from({length: 5}, (v, i) => i) returns [0, 1, 2, 3, 4]? https://developer.mozilla.org/en/docs/Web/JavaScript/Reference/Global_Objects/Array/from I didn’t understand in detail why this works Answer When Javascri…
JQuery to allow only alphabets, numeric and forward slash in TextBox
I have a text field in ASP.NET and i want to allow only alphanumeric and forward slash (/) keys in that. I tried the following code, In the web forms page i added like below, Here i am able to enter alphabets and numbers but i am not able to enter the value /. I have enabled the shift key
Setting limits on file uploads via Firebase auth and storage without server in the middle?
I’m learning about Firebase auth and storage in a web app. My idea asks users to login via Firebase and then upload an image. I can see that this is possible from Firebase auth and storage. However, I would like to put limits on the file count and file-size they can upload. Is it possible to control upl…
Save loaded HTML file from electron app
I am trying to explore electron and trying to make a simple Mac application. The problem is that I wanted to save the loaded HTML when user closes the application, and upon next start of application the saved html will be loaded. Now, consider following case: The html which i have loaded initially have some t…
Angular 2 Change Class On Condition
I have three buttons in a view and on page load I am displaying the first buttons content. Once a button is clicked the button becomes active but on page load the initial button is not set to active. In order to show the first button active I added this to the div: The problem with this is now when
How can I exclude files from Jest watch?
I’m doing some slightly bizarre stuff using Jest for testing where I’m writing some stuff to disk. If I use the watch flag in Jest however then I’m finding (quite obviously) that each time I write something to disk the tests refire again. I don’t currently have any sort of configuratio…
CORS on golang server & javascript fetch frontend
I have a golang HTTP server with code like: I call this HTTP endpoint from a JS frontend, a react app deployed on port 3000, using code: The above code fails with the following logs. On the server side: On the browser, in the developer tools logs: Can someone help fix the authentication problem ? I am not sur…
Swipe effect in react js
I’m trying to create a swipe event using React. I do not want to use any external component or jquery. The css is something like : In the react component I’m trying to do something like : How can I recognize swipe event? If I in my example instead of onSwipe add onClick it works, but how can I mak…
ng-change increment and decrement value in ng-repeat loop
I have a code like this: In this code when check the checkbox the count will be incremented. Here how to i check if checkbox is ticked, then only incremented, otherwise if untick, it will decremented. Please anyone help. Answer try changing ng-change .