This is a test case for String.prototype.fontcolor(color). On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS '_'.fontcolor('b') is "_" PASS '<'.fontcolor('b') is "<" PASS '_'.fontcolor(0x2A) is "_" PASS '_'.fontcolor('"') is "_" PASS '_'.fontcolor('" size="2px') is "_" PASS String.prototype.fontcolor.call(0x2A, 0x2A) is "42" PASS String.prototype.fontcolor.call(undefined) threw exception TypeError: Type error. PASS String.prototype.fontcolor.call(null) threw exception TypeError: Type error. PASS String.prototype.fontcolor.length is 1 PASS successfullyParsed is true TEST COMPLETE