Back to feed
Renewal·서른의 생활코딩

Sample Source 3) JavaScript Basic Document Structure (Number Object — Lotto Generator)

NS
normalstory
cover image

Creating a lottery number generator that displays six numbers.





<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="ko" lang="ko">




<head>


<meta http-equiv="Content-Type" content="application/xhtml+xml; charset=UTF-8" />




<title> Math Object 2</title>




<script type="text/javascript">


//<!CDATA[




/* Pick lotto numbers (6 draws) */




// Formula to pick a number within a specific range


// (Math.random() * (largest - smallest + 1)) + smallest




for(i=0;i<7;i++){


lotto=(Math.random()*45)+1; // a number between 0~45


//document.write(Math.floor(lotto)+"<br />");


document.write(i + "th number is: " + Math.floor(lotto)+"<br />");


}


//]]1]]]]>


</script>




</head>






<body>


</body>




</html>



This English version was translated by Claude.

친절한 찰쓰씨
Written by
친절한 찰쓰씨

Pleasant Charles — UI/UX researcher at AIT. Keeping notes on design, planning, and slow days here since 2010.

More on the author's page

Keep reading

Renewal

Steadily, for the long haul, without burning out

Mar 31, 2026·9 min
Renewal

Tech-life balance

Feb 7, 2026·3 min
Renewal

Humanality, by Park Jeong-ryeol

Feb 7, 2026·11 min