Is there a way to change the "Exam 1" to another word like "Homework 1" by passing arguments?
If not, is there a default template I can modify?
My last resort is to modify the built html files but it's not very convenient.
The exams2html() function takes an argument template which defaults to "plain.html". This template is shipped with the exams package and contains:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
<html>
<head>
<title>Exam ##ID##</title>
<style type="text/css">
body{font-family: Arial, Helvetica, Sans;}
</style>
<meta charset="utf-8" />
</head>
<body>
<h2>Exam ##ID##</h2>
##\exinput{exercises}##
</body>
</html>
The ##ID## is replaced by the ID (from 1 to n) and the ##\exinput{exercises}## is replaced by an ordered list <ol> containing the questions and optionally also the solutions. You can modify this template in any way you need and call it, say, homework.html. Then you can call:
exams2html(..., template = "/path/to/homework.html",
question = "<h4>Exercise</h4>", solution = FALSE)
which sets the template and also modifies the way the question is displayed while suppressing the solution.
Remark: The placeholders ##ID## and ##\exinput{exercises}## are a bit awkward (analogous to the placeholders in LaTeX templates for exams2pdf()) and not very flexible. It has been on my wishlist to make this more flexible, e.g., using {{mustache}} templating via the whisker package, but so far I didn't get round to tackle that.