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/**
* A plugin which enables rendering of math equations inside
* of reveal.js slides. Essentially a thin wrapper for MathJax.
*
* @author Hakim El Hattab
*/
var RevealMath = window.RevealMath || (function(){
var loaded = false;
var config = Reveal.getConfig().math || {};
config.mode = config.mode || 'TeX-AMS_HTML-full';
var head = document.querySelector( 'head' );
var script = document.createElement( 'script' );
script.type = 'text/javascript';
script.src = 'http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=' + config.mode;
// Detect when the script has loaded
script.onload = onScriptLoad;
// IE
script.onreadystatechange = function() {
if ( this.readyState === 'loaded' ) {
onScriptLoad.call();
}
}
// Normal browsers
head.appendChild( script );
function onScriptLoad() {
// Conditioned just in case both onload and readystate fire
if( loaded === false ) {
loaded = true;
MathJax.Hub.Config({
messageStyle: 'none',
tex2jax: { inlineMath: [['$','$'],['\\(','\\)']] }
});
// Process any math inside of the current slide when navigating,
// this is needed since it's not possible to typeset equations
// within invisible elements (far future or past).
Reveal.addEventListener( 'slidechanged', function( event ) {
// This will only typeset equations that have not yet been
// processed, as well as equations that have change since
// last being processed.
MathJax.Hub.Update( event.currentSlide );
} );
}
}
})();
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