I have an array that contains objects, like this: I need pick only the name property from every object, and build a string, where the elements are “separated” with comma. Like this: I tried the following, but the method built every whole object into the string: Answer Before using the .join() to c…
Tag: javascript
How do I use innerHtml or appendChild() to add multiple rows to a table from an xdr call
I make an xdr call to return data for a webpage, this includes table with some rows of data, I only retrieve a few rows so that it loads quickly, I then use to replace the placeholder element with the data Then I made second call thats get all the data and it again replaces element called data with the
Filtering Punctuation from an Array (what is the exclamation ‘!’ doing?)
In example 1, the exclamation (!) is at the start of the punctuation array and does not get logged. In example 2, the exclamation is somewhere else in the punctuation array and now gets logged. I believe it’s being interpreted as a logical-not-operator but I’m unsure why since I would assume the q…
How to rotate an image and let it stay there on click?
I am able to get the image to rotate 90 degrees so the arrow goes from right arrow to down arrow. I set up the images in html and created the CSS Key frame and linked that up to the javascript. What I need now is the right arrow to stay the down arrow until I click the button again
Onclick function in the tag instead of the not working
I’m trying to use the onClick() function inside the script tag. When I looked on the internet to find the syntax to do this it looked something like the above. However when I run this script it doesn’t work and I have no clue why and Any other way I’ve tried becomes a syntax error. Answer Yo…
How to set quantity to 0 but not negative value in my code? if its shows negative value then put an error message in alert
Everything is working fine in below code. But when I want to put a greater quantity than exiting quantity in a specific products, It returns me negative value. Where to write the code to return the following two reuslts? (1). I want to put value up to 0. (2). If It goes below 0, alert with “No product i…
Single-selectable listview in pure HTML/CSS?
By default a <select> element is a dropdown menu which I don’t want: I want to display the full list. This is possible with multiple: but then obviously the user can select multiple elements. How to have a full list view (like with multiple, i.e. no dropdown menu), but have only one possible selec…
remove # from url react-router-dom in react js
I am new in react.js I am using react-router-dom v6 and I working on a theme where I find an issue with # in URL Example:- {url}/#/dashboard I want Example:- {url}/dashboard Answer am assuming, you are using HashRouter if yes then please use BrowserRouter instead HashRouter implement BrowserRouter on routing
ExpressJS Login Validation Error: comparePassword is not a function
In the folder backend/controllers I have an authController class which handles a POST request with an email and password and then looks for a user in the database with a matching email, then when it finds the user, it tries to verify the password invoking a method called comparePassword which is defined in th…
Values present in console log but not in render
I’m certain there has to be something painfully simple and obvious that I’m just not seeing here… The following component pulls data through RTK Query and then maps out a table. The table is displaying correctly in terms of structure, and the values make it to the child Row component (the ta…