testing random

by Peyton Hessler

HTML

<span id="text"></span>
<input type="button" id="btn" value="Randomize!" />

JavaScript

var randomNames=[]; 
 var count=0;

function name() {
    if(count==3){
      return;
    }
    var students = ["Hans","Ole","Nils","Olav","Per","Knut","Kari","Line","Pia"];
    var randomize = students.splice(Math.floor(Math.random() * students.length), 1);
    if(randomNames.indexOf(randomize) == -1){
        randomNames.push(randomize );
        ++count;
    }
    name();
  }

 var html = "Tilfeldige navn: ";

 document.getElementById("text").innerHTML = html + randomNames;