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JQuery MCQs

Which of the following will make the background of a page change, upon being refreshed?

$(document).ready(function() { var totalCount = 2; var num = Math.ceil( Math.random() * totalCount ); document.body.background = 'assets/background-'+num+'.jpg'; });

$(document).ready(function() { var num = Math.ceil( Math.random() * totalCount ); document.body.background = 'assets/background-'+num+'.jpg'; });

$(document).ready(function() { var totalCount = 2; var num = Math( Math.random() * totalCount ); document.body.background = 'assets/background-'+num+'.jpg'; });

$(document).ready(function() { var totalCount = 2; var num = Math.ceil( Math.random() * totalCount ); document.background = 'assets/background-'+num+'.jpg'; });

Answer

Correct Answer: $(document).ready(function() { var totalCount = 2; var num = Math.ceil( Math.random() * totalCount ); document.body.background = 'assets/background-'+num+'.jpg'; });

Explanation:

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