It finds each instance of a double space (or more) in a string and replaces it with a single space.

Here's an example:

let string = "     A string    with      many    spaces.    ";

string = string.replace(/\s+/g, " ");

// string = " A string with many spaces. "

Notice that any double, triple, etc. space is converted into a single space.

Yes, Cypress has a have.length assertion method.

Read more in their docs.

Execute this command to get the version of docker on your machine:

docker --version

If docker is installed to your machine, it should output a version number like this:

Docker version 20.10.14, build a224086

Cypress.browser.name returns the name of the browser Cypress is currently using (e.g. "chrome", "firefox").

JavaScript has a built-in trimEnd() method:

string.trimEnd()

Supported by all browsers besides Internet Explorer.