I am having a 401 error code when I access to the api using Jquery Ajax. This is my front-end code: For my back-end, I am using ASP.NET Identity and my startup.cs code is I have tested. Without [Authorize] attribute, I can see the result response at the client side. But once I have added [Authorize] attribute…
Tag: javascript
Is there a nice way to wrap a JQuery based widget into a module that can be easily used in Vue.js?
Some colleagues of mine have began a fairly complex web application using Vue.js. They would like to be able to use some of the widgets I’ve made from scratch in the past using JQuery, as re-implementing them would require a large amount of effort/time. I know that it’s possible to safely use JQue…
checking for null in javascript
I have the above if-else-if chain in the code, trying to see if I can write the same logic in one or two lines. Answer Since you want to distinguish between three types of values, you have to make at least two checks already. The else case will never be hit since either !valid or valid will be true. That
How do I create a random number that remains constant and doesn’t change in Javascript?
I’m trying to have a few circles drawn on the screen that do not move after initialization. Right now it is constantly drawing them to the screen instead of keeping them there. Here’s the code: (This is with the p5.js library) Answer It sounds like your code is in the draw() function, which is cal…
Slickgrid keydown issue when pasting from Excel
I am using Slickgrid and I want to be able to copy and paste from Excel. The sample I have found allows this https://6pac.github.io/SlickGrid/examples/example-excel-compatible-spreadsheet.html however, there is an issue I am experiencing (which can be seen in the example) and I think it is undesirable. I have…
Timezone sensitive date comparisons in Javascript
I’m determining the difference between two calendar dates in Javascript in an Ember app. I’m currently using date-fns’s differenceInCalendarDays. Now that mostly provides the desired results, the only issue is that I need to handle calculating the difference between 2 dates that is sensitive…
Why use history.push or some other method from react-router-dom instead of just assigning the path to window.location.pathname?
It seems easier to me when I need to navigate somewhere in my code to just assign the path where I want to go to window.location.pathname. Is there any disadvantage to doing this? Answer Because window.location.pathname triggers a reload, defeating the entire purpose of react-router, while history.push() just…
How to get the OS name and version with JavaScript?
I am creating an object to make it easier to access browser/system information by calling a function. One of those functions accesses the operating system name and version and returns a value. I don’t know how to go about getting the information I need. I did find a similar question on Stack Overflow, b…
My local variable not updating the global var?
I have a global variable number, so it gets a pass to a function, but when it completed, it supposes to change that variable inside the function and pass it outside to the global variable to update. So it continuing to use old global variables while everything else is updating and become bigger. You can see v…
How to copy the array with array.push() function without duplicate key value?
I am developing a food cart function where I am adding products to the cart. My cart is an Array type and the product is an object with key-values. The problem I am facing is, whenever I am trying to add a new product with a different value for a similar key, it overwrites the value of the same key