Individual document elements, such as img elements, can also register load and error handlers.
Such events are handled using the onload and onerror methods.
// it will work as well but its shows menus
scale: 16 // Adjust the font scale for all MathJax output
scale: 16 // Adjust the font scale for HTML-CSS output (older browsers)
scale: 16 // Adjust the font scale for SVG output
context: "Browser" // Disable the MathJax context menu