mouseover.js

var searchWords;
var resultQuantity;
var searchURL;


$(document).ready(function(){ 
  
  $('#submitBtn').on('click', function(){
  searchWords = encodeURIComponent(document.getElementById("searchBox").value);
  //$("#returnResults").append('<li><a href="/user/messages">'+ searchWords + '</a></li>')};
  searchURL = 'http://en.wikipedia.org/w/api.php?action=query&format=json&list=search&utf8=1&srsearch='+searchWords+'&srprop=snippet&callback=?';
    getWiki();
  });  
});



function getWiki(){
  $.getJSON(searchURL, function(data) {
    resultQuantity = data.query.search.length;
	  if (resultQuantity > 0){
    $.each(data.query.search, function(i, item) {
      $('#returnResults').append('<li>'+item.title+'<br>'+item.snippet+'</li>');
       $("li").mouseover(function(){
    
        $("li").css("background", "yellow");
    });
       });
    };
  });

 
     
};