How to force Express.js to yield parameters with special characters as they are?

I am trying to complete a simple project in the freeCodeCamp “API and Microservices” curriculum. The project is rather simple, it requires working with Express.js, some routes are provided …

HTML onclick event doesn’t work with parameter

When I click my button, which should make things visible and invisible, the whole website disappears. What I was trying to do is to make a div with some text and probably some images and let it …

Is it possible to change the value of the function parameter?

I have one function with two parameters, for example function (a,b). I want to within the function, take the value of b, and replace that with c. I was thinking of something like $(b).replaceWith(c), …

PHP Redirection with Post Parameters

I have a webpage. This webpage redirects the user to another webpage, more or less the following way: