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/**
* Provide equivalent alternatives to auditory and visual content
*/
exports.name = "Equivalent Alternatives";
exports.description = "";
exports.rule = function(report) {
var hasAlt = function(type) {
return function(ix) {
if(_.isEmpty($(this).attr('alt'))) {
report.error('No alt text specified for ' + type + ' element', this);
}
};
};
// We treat anchors with images as a child as things that should contain
// alternatives.
$5('a').find('img').each(hasAlt('img'));
// All input tags must have an alt attribute.
$5('input').each(hasAlt('input'));
// All applet tags must have an alt attribute.
$5('applet').each(hasAlt('applet'));
// All object tags must have an alt attribute.
$5('object').each(hasAlt('applet'));
};
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