HTMLFontElement face attribute test On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS fontFaceAttributeEffect("") is null PASS fontFaceAttributeEffect(" ") is null PASS fontFaceAttributeEffect(",") is null PASS fontFaceAttributeEffect(" ,") is null PASS fontFaceAttributeEffect(" , ") is null PASS fontFaceAttributeEffect(",,") is null PASS fontFaceAttributeEffect("serif") is "serif" PASS fontFaceAttributeEffect("serif ") is "serif" PASS fontFaceAttributeEffect(",serif,") is null PASS fontFaceAttributeEffect(" serif ") is "serif" PASS fontFaceAttributeEffect(" serif") is "serif" PASS fontFaceAttributeEffect("serif ,") is null PASS fontFaceAttributeEffect("serif , ") is null PASS fontFaceAttributeEffect("serif,,") is null PASS fontFaceAttributeEffect("Serif") is "serif" PASS fontFaceAttributeEffect(" Serif") is "serif" PASS fontFaceAttributeEffect(" Serif ") is "serif" PASS fontFaceAttributeEffect(",Serif ") is null PASS fontFaceAttributeEffect("Inherited") is "Inherited" PASS fontFaceAttributeEffect(",foo + foo,serif") is null PASS fontFaceAttributeEffect("serif,foo + foo,") is null PASS successfullyParsed is true TEST COMPLETE