FormulaText[] default is Java since most do not work in HTML5
text1 = "\overparen{AB}\\
\overline{AB}\\
\underline{AB}\\"
text3 = FormulaText["\overrightarrow{AB}"]
text4 = FormulaText["\overleftarrow{AB}"]
text6 = FormulaText["\overline{AB}"]
text5 = FormulaText["\underline{AB}"]
text7 = FormulaText["\widehat{AB}"]
text8 = FormulaText["\overparen{AB}"]
text2 = FormulaText["\overbrace{AB}"]
text10 = FormulaText["\tilde{AB}"]
text9 = FormulaText["\widetilde{AB}"]
text11 = FormulaText["\leftrightarrow{AB}"]
text12 = FormulaText["\overleftrightarrow{AB}"]
text13 = FormulaText["\dag{AB}"]
text14 = FormulaText["\downarrow"]
text15 = FormulaText["\uparrow"]