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define(['jquery', 'core/config', 'core/notification'], function($, config, notification) {
return {
init: function() {
$(".algebra_answer").on('input paste keyup', null, null, function() {
// Convert answer id to valid javascript name.
var id = $(this).attr('id');
var display = id.replace(':', '_');
var varnames = $('#' + display + '_vars').html();
var currentanswer = $(this).val();
var params = {
vars: varnames,
expr: currentanswer,
sesskey: config.sesskey,
};
$.post(config.wwwroot + '/question/type/algebra/ajax.php', params, null, 'json')
.done(function(data) {
// Replace TeX form in page.
$('#' + display + '_display').html("<span class=\"filter_mathjaxloader_equation\">" + data +"</span>");
// MathJax update.
MathJax.Hub.Queue(["Typeset", MathJax.Hub]);
})
.fail(function(jqXHR, status, error) {
notification.exception(error);
});
});
}
};
});
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