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JavaScript Build a Simple Dynamic Site with Node.js HTTP Methods and Headers Dealing with the POST Body

Przemyslaw Mazur
Przemyslaw Mazur
Courses Plus Student 9,296 Points

How does the browser know that the text we type in the form field is a username.

I know there is a method used on it. I mean var username = request.url.replace("/", "");. Shouldn't it just replace the / symbol with an empty string and why it doesn't set the username variable to the whole url including "http://port-3000-2rmzgrlbw8.treehouse-app.com/"

1 Answer

Steven Parker
Steven Parker
229,982 Points

The "replace("/", "")" method does replace the / symbol with an empty string.

If I understand the other question, the rest of the URL is removed because a header is being constructed that only contains a relative path.

It gets it from the html attribute. So if I gave my search input the name attribute of cook and hit search...

<input type="text" placeholder="Enter a Treehouse username" id="book" name="cook">

I would get something like this: