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# Correctif MathML

Questions ou commentaires?

## Purpose

MathML enables the display of mathematical formulas. Because some browsers do not support this functionality natively, this polyfill emulates the same functionality using MathJax.

## Known issues

1. Browsers that lack both MathML and SVG support (e.g., IE8 - IE9) will take longer to load MathML than browsers with either SVG or MathML support
2. IE8 takes a lot longer to load MathML than IE9 (known MathJax reflow issue)
3. Pages with a lot of complex formulas can take a few minutes to load on slow machines running IE8 (known MathJax issue)

## Working example

- English examples
- French examples

## How to implement

To use the polyfill, standard MathML is required. In cases where a browser doesn't support MathML, the polyfill is automatically loaded.

## Configuration options

Configuration options available for MathML (MathML 3.0 specification)

## Events

Event | Trigger | What it does
--- | --- | ---
`wb-init.wb-math` (v4.0.5+) | Triggered manually (e.g., `$( "math" ).trigger( "wb-init.wb-math" );`). | Used to manually initialize the MathML polyfill. Note: The MathML polyfill will be initialized automatically unless the `math` element is added after the page has already loaded.
`wb-ready.wb-math` (v4.0.5+) | Triggered automatically after the MathML polyfill initializes. Note: This event will only be triggered if the polyfill is loaded. The polyfill will not load for browsers with adequate native MathML support. | Used to identify when the MathML polyfill initializes (target of the event)
    $( document ).on( "wb-ready.wb-math", function( event ) {
    });
`wb-ready.wb` (v4.0.5+) | Triggered automatically when WET has finished loading and executing. | Used to identify when all WET plugins and polyfills have finished loading and executing.
    $( document ).on( "wb-ready.wb", function( event ) {
    });

## Source code

MathML polyfill source code on GitHub (also in wb.js)

Date de modification :
  2014-08-04