looping through an array with a button in titanium -


i student apologize asking such simple question. trying make "next , "previous" button loops through array 1 @ time.

var food = ["pasta", "salad", "apple", "pizza"];     counter=0;      var displayalert = function(){          (var i=0, item; i<food.length; i++) {         item = food[i];         quotetext.text=food[i]; }    };            var quoteview = ti.ui.createview({     backgroundcolor: "#fff",     height: 150,     top: 50,     left: 20,     right: 20,     borderradius: 5  });   var quotetext = ti.ui.createlabel({     text: "click below begin",     font: {fontsize: 20, fontfamily: "arial"},     textalign: "center" });     quoteview.add(quotetext);     mainwindow.add(quoteview);    buttonprevious.addeventlistener("click", displayalert); buttonnext.addeventlistener("click", displayalert);

so have worked through code instructor , although take 0 on assignment, else might benefit misfortune.

var food = ["pasta", "salad", "apple", "pizza"];     counter=0;      var displayalert = function(){         console.log (counter);     quotetext.text=food[counter];     if (counter === food.length-1){         counter=0;       }     else {counter=counter+1}; };           var getprevious = function(){         quotetext.text=food[counter];     if (counter === 0){         counter=food.length-1;     }     else {counter=counter-1};  };     var quoteview = ti.ui.createview({     backgroundcolor: "#fff",     height: 150,     top: 50,     left: 20,     right: 20,     borderradius: 5  });   var quotetext = ti.ui.createlabel({     text: "click below begin",     font: {fontsize: 20, fontfamily: "arial"},     textalign: "center" });     quoteview.add(quotetext);     mainwindow.add(quoteview);

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