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( function( $ ) {
$.fn.shuffleQuiz = function() {
var allElems = this.get(),
getRandom = function( max ) {
return Math.floor( Math.random() * max );
},
shuffled = $.map( allElems, function() {
var random = getRandom( allElems.length ),
randEl = $( allElems[ random ] ).clone( true )[ 0 ];
allElems.splice( random, 1 );
return randEl;
} );
this.each( function( i ) {
$( this ).replaceWith( $( shuffled[ i ] ) );
} );
return $( shuffled );
};
} )( jQuery );
jQuery( function( $ ) {
$( '.jetpack-quiz' ).each( function() {
var quiz = $( this );
quiz.find( 'div.jetpack-quiz-answer' ).shuffleQuiz();
quiz
.find( 'div[data-correct]' )
.removeAttr( 'data-correct' )
.data( 'correct', 1 );
quiz.find( 'div.jetpack-quiz-answer:last' ).addClass( 'last' );
} );
$( 'div.jetpack-quiz' ).on( 'click', 'div.jetpack-quiz-answer', function() {
var trackid,
answer = $( this ),
quiz = answer.closest( 'div.jetpack-quiz' );
if ( quiz.data( 'a8ctraining' ) ) {
new Image().src =
'//pixel.wp.com/b.gif?v=wpcom-no-pv&x_trainingchaos-' +
quiz.data( 'username' ) +
'=' +
quiz.data( 'a8ctraining' ) +
'&rand=' +
Math.random();
quiz.data( 'a8ctraining', false );
quiz.data( 'trackid', false );
}
trackid = quiz.data( 'trackid' );
if ( answer.data( 'correct' ) ) {
answer.addClass( 'correct' );
if ( trackid ) {
new Image().src =
'//pixel.wp.com/b.gif?v=wpcom-no-pv&x_quiz-' + trackid + '=correct&rand=' + Math.random();
}
} else {
answer.addClass( 'wrong' );
if ( trackid ) {
new Image().src =
'//pixel.wp.com/b.gif?v=wpcom-no-pv&x_quiz-' + trackid + '=wrong&rand=' + Math.random();
}
}
// only track the first answer
quiz.data( 'trackid', false );
} );
} );
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