<!DOCTYPE html> <html> <head> <!-- add mocha css, to show results --> <script> // chai has a lot of stuff, let's make assert global </script> </head> <body> <!-- the script with tests (describe, it...) --> <!-- <script src="t1.js"></script> --> <script src="t2.js"></script> <!-- the element with id="mocha" will contain test results --> <!-- run tests! --> </body> </html>