MathJax v3 dynamic equations using CSS and javascript

Expand the following: $\begin{aligned} S s_{1} & = \frac{- F_{b} 1}{2 m} t_{s} 1^{2} - \frac{g t_{s} 1^{2}}{2} s i n α + v_{0} t_{s} 1 \\ = \frac{- F_{b} 1}{2 m} (\frac{v_{0}}{\frac{F_{b} 1}{m} + g \cdot s i n α})^{2} - g \frac{(\frac{v_{0}}{\frac{F_{b} 1}{m} + g \cdot s i n α})^{2}}{2} s i n α + v_{0} \frac{v_{0}}{\frac{F_{b} 1}{m} + g \cdot s i n α} \\ = - \frac{\frac{F_{b} 1}{m} v_{0}^{2}}{2 (\frac{f_{b} 1}{m} + g \cdot s i n α)^{2}} - \frac{g v_{0}^{2} \cdot s i n α}{2 (\frac{f_{b} 1}{m} + g \cdot s i n α)^{2}} + \frac{v_{0}^{2}}{\frac{F_{b} 1}{m} + g \cdot s i n α} \\ = - \frac{v_{0}^{2} (\frac{F_{b} 1}{m} + g \cdot s i n α)}{2 (\frac{F_{b} 1}{m} + g \cdot s i n α)^{2}} + \frac{v_{0}^{2}}{\frac{F_{b} 1}{m} + g \cdot s i n α} \\ = - \frac{v_{0}^{2}}{2 (\frac{F_{b} 1}{m} + g \cdot s i n α)} + \frac{v_{0}^{2}}{\frac{F_{b} 1}{m} + g \cdot s i n α} = \frac{v_{0}^{2}}{2 (\frac{F_{b} 1}{m} + g \cdot s i n α)} \\ = \frac{s_{s} v_{0}^{2}}{v_{0}^{2} \cdot c o s α + 2 s_{s} g \cdot s i n α} \\ . . E q u a t i o n 22. . \end{aligned}$

Equation 22